{
  "title": "Data Making - Grade 5 CBSE",
  "total_questions": 100,
  "questions": [
    {"id": 1, "difficulty": "easy", "question": "What is the first step in collecting data?", "options": {"A": "Draw a graph", "B": "Ask a question", "C": "Find the average", "D": "Write a conclusion"}, "correct_answer": "B"},
    {"id": 2, "difficulty": "easy", "question": "Which of these is a method to collect data?", "options": {"A": "Survey", "B": "Experiment", "C": "Observation", "D": "All of the above"}, "correct_answer": "D"},
    {"id": 3, "difficulty": "easy", "question": "What is a survey?", "options": {"A": "A type of graph", "B": "A way to collect information by asking people", "C": "A mathematical calculation", "D": "A kind of table"}, "correct_answer": "B"},
    {"id": 4, "difficulty": "easy", "question": "Which tool can be used to record data quickly?", "options": {"A": "Tally marks", "B": "Bar graph", "C": "Pie chart", "D": "Calculator"}, "correct_answer": "A"},
    {"id": 5, "difficulty": "easy", "question": "What does a frequency table show?", "options": {"A": "The average of the data", "B": "How often something occurs", "C": "The range of the data", "D": "The difference between numbers"}, "correct_answer": "B"},
    {"id": 6, "difficulty": "easy", "question": "If you want to know the favorite fruit of your classmates, what should you do?", "options": {"A": "Guess", "B": "Conduct a survey", "C": "Ask the teacher", "D": "Look in a book"}, "correct_answer": "B"},
    {"id": 7, "difficulty": "easy", "question": "What is the purpose of organizing data?", "options": {"A": "To make it look neat", "B": "To make it easier to understand", "C": "To make it longer", "D": "To make it colorful"}, "correct_answer": "B"},
    {"id": 8, "difficulty": "easy", "question": "Which of these is a way to organize data?", "options": {"A": "Table", "B": "Chart", "C": "Graph", "D": "All of the above"}, "correct_answer": "D"},
    {"id": 9, "difficulty": "easy", "question": "What is a tally chart?", "options": {"A": "A chart that uses pictures", "B": "A chart that uses bars", "C": "A chart that uses marks to count", "D": "A chart that uses slices"}, "correct_answer": "C"},
  {
  "id": 10,
  "difficulty": "easy",
  "question": "How is the number 7 represented in tally marks?",
  "options": {
    "A": "||||| ||",
    "B": "|||| |",
    "C": "||| |||",
    "D": "|||| ||||"
  },
  "correct_answer": "A"
}
,  {"id": 11, "difficulty": "easy", "question": "What type of graph uses bars to represent data?", "options": {"A": "Pictograph", "B": "Bar graph", "C": "Pie chart", "D": "Line graph"}, "correct_answer": "B"},
    {"id": 12, "difficulty": "easy", "question": "What type of graph uses pictures to represent data?", "options": {"A": "Pictograph", "B": "Bar graph", "C": "Pie chart", "D": "Line graph"}, "correct_answer": "A"},
    {"id": 13, "difficulty": "easy", "question": "What is the title of a graph?", "options": {"A": "The name of the graph", "B": "The labels on the axes", "C": "The source of data", "D": "The person who made it"}, "correct_answer": "A"},
    {"id": 14, "difficulty": "easy", "question": "What does the horizontal axis of a bar graph show?", "options": {"A": "The categories", "B": "The values", "C": "The title", "D": "The scale"}, "correct_answer": "A"},
    {"id": 15, "difficulty": "easy", "question": "What does the vertical axis of a bar graph show?", "options": {"A": "The categories", "B": "The values or frequency", "C": "The title", "D": "The source"}, "correct_answer": "B"},
    {"id": 16, "difficulty": "easy", "question": "What is a key in a pictograph?", "options": {"A": "Something to open a door", "B": "It shows what each picture represents", "C": "The title of the graph", "D": "The border of the graph"}, "correct_answer": "B"},
    {"id": 17, "difficulty": "easy", "question": "If 🍎 represents 5 apples in a pictograph, how many apples does 🍎🍎 represent?", "options": {"A": "5", "B": "7", "C": "10", "D": "15"}, "correct_answer": "C"},
    {"id": 18, "difficulty": "easy", "question": "Why is it important to have a scale on a graph?", "options": {"A": "To make it colorful", "B": "To know what the numbers mean", "C": "To fill up space", "D": "To make it look professional"}, "correct_answer": "B"},
    {"id": 19, "difficulty": "easy", "question": "What is data?", "options": {"A": "A type of graph", "B": "Information collected for analysis", "C": "A mathematical formula", "D": "A survey question"}, "correct_answer": "B"},
    {"id": 20, "difficulty": "easy", "question": "Which of these is an example of data?", "options": {"A": "The heights of students in your class", "B": "A story you read", "C": "A painting", "D": "A song"}, "correct_answer": "A"},
    {"id": 21, "difficulty": "medium", "question": "You want to find out the most popular game in your class. What is a good survey question to ask?", "options": {"A": "What is your name?", "B": "How old are you?", "C": "What is your favorite game?", "D": "Do you like games?"}, "correct_answer": "C"},
    {"id": 22, "difficulty": "medium", "question": "You surveyed 20 students about their favorite subject. How would you record this data?", "options": {"A": "Write a story", "B": "Create a frequency table", "C": "Draw a picture", "D": "Sing a song"}, "correct_answer": "B"},
    {"id": 23, "difficulty": "medium", "question": "In a frequency table, the 'Frequency' column shows:", "options": {"A": "The names of people", "B": "The number of times something occurs", "C": "The time of day", "D": "The age of people"}, "correct_answer": "B"},
    {"id": 24, "difficulty": "medium", "question": "You have data on the favorite colors of your friends. What is the best way to show this data so everyone can see the most popular color quickly?", "options": {"A": "Bar graph", "B": "Paragraph", "C": "List", "D": "Poem"}, "correct_answer": "A"},
    {"id": 25, "difficulty": "medium", "question": "What is the first thing you should do before making a graph?", "options": {"A": "Draw the axes", "B": "Organize the data", "C": "Choose colors", "D": "Write the title"}, "correct_answer": "B"},
    {"id": 26, "difficulty": "medium", "question": "When making a bar graph, what should you do after drawing the axes?", "options": {"A": "Color the graph", "B": "Label the axes and give a title", "C": "Show it to your teacher", "D": "Calculate the mean"}, "correct_answer": "B"},
    {"id": 27, "difficulty": "medium", "question": "In a pictograph, if you have half a symbol, what does it mean?", "options": {"A": "It is a mistake", "B": "It represents half the value of one symbol", "C": "It represents zero", "D": "It represents double the value"}, "correct_answer": "B"},
    {"id": 28, "difficulty": "medium", "question": "You are making a bar graph for the number of students who like different fruits. What should you put on the horizontal axis?", "options": {"A": "Number of students", "B": "Names of fruits", "C": "The title", "D": "The scale"}, "correct_answer": "B"},
    {"id": 29, "difficulty": "medium", "question": "What should you put on the vertical axis for the same graph?", "options": {"A": "Number of students", "B": "Names of fruits", "C": "The title", "D": "The key"}, "correct_answer": "A"},
    {"id": 30, "difficulty": "medium", "question": "Why is it important to have a consistent scale on a graph?", "options": {"A": "To make the graph accurate", "B": "To make it look pretty", "C": "To use more paper", "D": "To make it difficult to read"}, "correct_answer": "A"},
    {"id": 31, "difficulty": "medium", "question": "What is the difference between a bar graph and a pictograph?", "options": {"A": "A bar graph uses bars, a pictograph uses pictures", "B": "A bar graph is always vertical", "C": "A pictograph is never used", "D": "There is no difference"}, "correct_answer": "A"},
    {"id": 32, "difficulty": "medium", "question": "If you are comparing the favorite sports of boys and girls, what type of graph would be best?", "options": {"A": "Single bar graph", "B": "Double bar graph", "C": "Pie chart", "D": "Line graph"}, "correct_answer": "B"},
    {"id": 33, "difficulty": "medium", "question": "What does a double bar graph show?", "options": {"A": "Two sets of data for comparison", "B": "The same data twice", "C": "Data from two different years", "D": "Both A and C"}, "correct_answer": "D"},
    {"id": 34, "difficulty": "medium", "question": "When making a survey, why should you ask clear questions?", "options": {"A": "To get accurate answers", "B": "To make the survey long", "C": "To confuse people", "D": "To use big words"}, "correct_answer": "A"},
    {"id": 35, "difficulty": "medium", "question": "What is a sample in data collection?", "options": {"A": "A small part of the whole group", "B": "The entire population", "C": "The graph you make", "D": "The questions you ask"}, "correct_answer": "A"},
    {"id": 36, "difficulty": "medium", "question": "Why is it sometimes better to survey a sample instead of the whole population?", "options": {"A": "It is easier and faster", "B": "It is more expensive", "C": "It takes longer", "D": "It gives less accurate results"}, "correct_answer": "A"},
    {"id": 37, "difficulty": "medium", "question": "You want to know the average height of students in your school. Is it practical to measure everyone?", "options": {"A": "Yes, it is easy", "B": "No, it would take too long", "C": "Yes, but only on weekends", "D": "No, because it is not important"}, "correct_answer": "B"},
    {"id": 38, "difficulty": "medium", "question": "What could you do instead for the height data in question 37?", "options": {"A": "Measure a sample of students", "B": "Guess the heights", "C": "Ask the principal", "D": "Look it up online"}, "correct_answer": "A"},
    {"id": 39, "difficulty": "medium", "question": "What is a 'population' in data collection?", "options": {"A": "The number of people in a country", "B": "The entire group you are interested in", "C": "A type of graph", "D": "The data you have collected"}, "correct_answer": "B"},
    {"id": 40, "difficulty": "medium", "question": "If you survey only your friends about favorite TV shows, what is the population?", "options": {"A": "All students in your school", "B": "Your friends", "C": "All people in your city", "D": "TV producers"}, "correct_answer": "B"},
    {"id": 41, "difficulty": "medium", "question": "What is a biased question?", "options": {"A": "A question that leads to a particular answer", "B": "A very difficult question", "C": "A question with two parts", "D": "A question about science"}, "correct_answer": "A"},
    {"id": 42, "difficulty": "medium", "question": "Which of these is a biased question?", "options": {"A": "What is your favorite fruit?", "B": "Don't you think apples are the best fruit?", "C": "How many fruits do you eat in a day?", "D": "Where do you buy fruits?"}, "correct_answer": "B"},
    {"id": 43, "difficulty": "medium", "question": "Why should you avoid biased questions in a survey?", "options": {"A": "To get honest and accurate data", "B": "To make the survey shorter", "C": "To make it easier to analyze", "D": "To save paper"}, "correct_answer": "A"},
    {"id": 44, "difficulty": "medium", "question": "What is the purpose of a 'key' or 'legend' in a graph?", "options": {"A": "To explain the symbols or colors used", "B": "To open the graph", "C": "To make the graph look nice", "D": "To write the title"}, "correct_answer": "A"},
    {"id": 45, "difficulty": "medium", "question": "In a double bar graph, how are the two sets of data usually distinguished?", "options": {"A": "By using different colors or patterns", "B": "By drawing them on different pages", "C": "By using different scales", "D": "By writing different titles"}, "correct_answer": "A"},
    {"id": 46, "difficulty": "medium", "question": "What is the scale of a graph?", "options": {"A": "The numbers that show the units used", "B": "The size of the paper", "C": "The colors used", "D": "The border around the graph"}, "correct_answer": "A"},
    {"id": 47, "difficulty": "medium", "question": "How do you choose a scale for a bar graph?", "options": {"A": "Make sure it includes all the data values", "B": "Choose any numbers you like", "C": "Always use a scale of 1", "D": "Use a scale that makes the graph small"}, "correct_answer": "A"},
    {"id": 48, "difficulty": "medium", "question": "If the highest value in your data is 20, what is a good scale for the vertical axis?", "options": {"A": "0 to 10", "B": "0 to 20", "C": "0 to 50", "D": "10 to 30"}, "correct_answer": "B"},
    {"id": 49, "difficulty": "medium", "question": "What is an interval on a graph scale?", "options": {"A": "The difference between two numbers on the scale", "B": "The time between surveys", "C": "A break in the graph", "D": "The space between bars"}, "correct_answer": "A"},
    {"id": 50, "difficulty": "medium", "question": "If you use an interval of 5 on a graph, what numbers would you write?", "options": {"A": "0, 1, 2, 3, ...", "B": "0, 5, 10, 15, ...", "C": "5, 10, 15, 20, ...", "D": "Both B and C"}, "correct_answer": "D"},
    {"id": 51, "difficulty": "medium", "question": "What is the main goal of data representation?", "options": {"A": "To make data easy to understand", "B": "To hide the data", "C": "To make it look complicated", "D": "To use as many colors as possible"}, "correct_answer": "A"},
    {"id": 52, "difficulty": "medium", "question": "After collecting data, what is the next step?", "options": {"A": "Forget about it", "B": "Organize and represent it", "C": "Throw it away", "D": "Copy it from a friend"}, "correct_answer": "B"},
    {"id": 53, "difficulty": "medium", "question": "What can you do after representing data in a graph?", "options": {"A": "Interpret it and draw conclusions", "B": "Frame it", "C": "Keep it a secret", "D": "Use it as a bookmark"}, "correct_answer": "A"},
    {"id": 54, "difficulty": "medium", "question": "What does 'interpreting data' mean?", "options": {"A": "Drawing the graph", "B": "Explaining what the data shows", "C": "Collecting the data", "D": "Asking survey questions"}, "correct_answer": "B"},
    {"id": 55, "difficulty": "medium", "question": "If a bar graph shows that the bar for 'Reading' is the tallest, what can you conclude?", "options": {"A": "Reading is the most popular activity", "B": "Reading is the least popular activity", "C": "No one likes reading", "D": "The graph is about sports"}, "correct_answer": "A"},
    {"id": 56, "difficulty": "medium", "question": "What is a conclusion in data analysis?", "options": {"A": "A decision or opinion based on the data", "B": "The end of the survey", "C": "The first step", "D": "The title of the graph"}, "correct_answer": "A"},
    {"id": 57, "difficulty": "medium", "question": "Why is it important to draw conclusions from data?", "options": {"A": "To understand what the data means", "B": "To finish your homework quickly", "C": "To make your teacher happy", "D": "To use more paper"}, "correct_answer": "A"},
    {"id": 58, "difficulty": "medium", "question": "What is a prediction based on data?", "options": {"A": "A guess about what might happen in the future", "B": "A summary of what happened in the past", "C": "A random thought", "D": "A type of graph"}, "correct_answer": "A"},
    {"id": 59, "difficulty": "medium", "question": "If data shows that it rains 80% of days in July, what could you predict?", "options": {"A": "It will probably rain a lot in July", "B": "It will never rain in July", "C": "July is the sunniest month", "D": "The data is wrong"}, "correct_answer": "A"},
    {"id": 60, "difficulty": "medium", "question": "What is the difference between data and information?", "options": {"A": "Data is raw facts, information is processed data", "B": "They are the same thing", "C": "Information is collected first", "D": "Data is always numerical"}, "correct_answer": "A"},
    {"id": 61, "difficulty": "medium", "question": "Which of these is information?", "options": {"A": "A list of numbers", "B": "A conclusion from data", "C": "A survey question", "D": "A blank paper"}, "correct_answer": "B"},
    {"id": 62, "difficulty": "medium", "question": "What is the role of technology in data handling?", "options": {"A": "It can help collect, organize, and represent data", "B": "It has no role", "C": "It makes data harder to handle", "D": "It is only for games"}, "correct_answer": "A"},
    {"id": 63, "difficulty": "medium", "question": "Which software can be used to make a graph?", "options": {"A": "Spreadsheet software", "B": "Word processor", "C": "Presentation software", "D": "All of the above"}, "correct_answer": "D"},
    {"id": 64, "difficulty": "medium", "question": "What is an advantage of using software to make graphs?", "options": {"A": "It can be faster and more accurate", "B": "It is always more fun", "C": "It doesn't require any data", "D": "The graphs are always better"}, "correct_answer": "A"},
    {"id": 65, "difficulty": "medium", "question": "What is a disadvantage of using only technology for data handling?", "options": {"A": "You might not understand the steps", "B": "It is always cheaper", "C": "It is always slower", "D": "It is not accurate"}, "correct_answer": "A"},
    {"id": 66, "difficulty": "medium", "question": "Why is it important to learn to make graphs by hand?", "options": {"A": "To understand how graphs are made", "B": "To avoid using computers", "C": "To make messy graphs", "D": "To save electricity"}, "correct_answer": "A"},
    {"id": 67, "difficulty": "medium", "question": "What is a data set?", "options": {"A": "A collection of data", "B": "A group of graphs", "C": "A type of survey", "D": "A mathematical rule"}, "correct_answer": "A"},
    {"id": 68, "difficulty": "medium", "question": "What does it mean to 'analyze data'?", "options": {"A": "To examine it carefully to understand it", "B": "To throw it away", "C": "To copy it", "D": "To draw a picture"}, "correct_answer": "A"},
    {"id": 69, "difficulty": "medium", "question": "What is a variable in data collection?", "options": {"A": "Something that can change or vary", "B": "A constant number", "C": "The title of the graph", "D": "The person collecting data"}, "correct_answer": "A"},
    {"id": 70, "difficulty": "medium", "question": "In a survey about favorite ice cream flavors, what is the variable?", "options": {"A": "The ice cream flavors", "B": "The names of the people", "C": "The time of day", "D": "The temperature"}, "correct_answer": "A"},
    {"id": 71, "difficulty": "medium", "question": "What is a 'data point'?", "options": {"A": "A single piece of data", "B": "The tip of a pencil", "C": "A dot on a line graph", "D": "Both A and C"}, "correct_answer": "D"},
    {"id": 72, "difficulty": "medium", "question": "In a line graph, what do the points represent?", "options": {"A": "Individual data values", "B": "The average", "C": "The source", "D": "The survey question"}, "correct_answer": "A"},
    {"id": 73, "difficulty": "medium", "question": "What type of data is 'favorite color'?", "options": {"A": "Categorical data", "B": "Numerical data", "C": "Graphical data", "D": "Secret data"}, "correct_answer": "A"},
    {"id": 74, "difficulty": "medium", "question": "What type of data is 'height in centimeters'?", "options": {"A": "Categorical data", "B": "Numerical data", "C": "Color data", "D": "Text data"}, "correct_answer": "B"},
    {"id": 75, "difficulty": "medium", "question": "Which graph is best for categorical data?", "options": {"A": "Bar graph", "B": "Line graph", "C": "Scatter plot", "D": "Histogram"}, "correct_answer": "A"},
    {"id": 76, "difficulty": "medium", "question": "Which graph is best for showing changes over time?", "options": {"A": "Bar graph", "B": "Line graph", "C": "Pictograph", "D": "Pie chart"}, "correct_answer": "B"},
    {"id": 77, "difficulty": "medium", "question": "What is a pie chart used for?", "options": {"A": "To show parts of a whole", "B": "To show changes over time", "C": "To compare categories", "D": "To list data"}, "correct_answer": "A"},
    {"id": 78, "difficulty": "medium", "question": "In a pie chart, what do the slices represent?", "options": {"A": "Categories or parts of the whole", "B": "Different graphs", "C": "The people surveyed", "D": "The survey questions"}, "correct_answer": "A"},
    {"id": 79, "difficulty": "medium", "question": "What is the total of all slices in a pie chart?", "options": {"A": "100% or 360 degrees", "B": "50%", "C": "200%", "D": "It depends on the data"}, "correct_answer": "A"},
    {"id": 80, "difficulty": "medium", "question": "If a pie chart slice is 90 degrees, what percentage is it?", "options": {"A": "25%", "B": "50%", "C": "75%", "D": "100%"}, "correct_answer": "A"},
    {"id": 81, "difficulty": "hard", "question": "You are planning a survey to find the most popular hobby among students in your school. Describe the steps you would take, from start to finish.", "options": {"A": "Ask one person and decide", "B": "Define the goal, choose a sample, create a survey, collect data, organize data, represent data, interpret results", "C": "Guess the most popular hobby", "D": "Copy data from the internet"}, "correct_answer": "B"},
    {"id": 82, "difficulty": "hard", "question": "What is the difference between primary data and secondary data?", "options": {"A": "Primary data is collected by you, secondary data is collected by someone else", "B": "Primary data is more important", "C": "Secondary data is always wrong", "D": "They are the same thing"}, "correct_answer": "A"},
    {"id": 83, "difficulty": "hard", "question": "Give an example of primary data.", "options": {"A": "Data from a science experiment you conducted", "B": "Data from a textbook", "C": "Data from a website", "D": "Data from an encyclopedia"}, "correct_answer": "A"},
    {"id": 84, "difficulty": "hard", "question": "Give an example of secondary data.", "options": {"A": "Data from a government census report", "B": "Data from a survey you did", "C": "Data from your own observations", "D": "Data from your diary"}, "correct_answer": "A"},
    {"id": 85, "difficulty": "hard", "question": "What are the advantages of using secondary data?", "options": {"A": "It is often easier and faster to obtain", "B": "It is always more accurate", "C": "It is always about you", "D": "It is never useful"}, "correct_answer": "A"},
    {"id": 86, "difficulty": "hard", "question": "What are the disadvantages of using secondary data?", "options": {"A": "It might not be exactly what you need or may be outdated", "B": "It is too expensive", "C": "It is always perfect", "D": "It is always wrong"}, "correct_answer": "A"},
    {"id": 87, "difficulty": "hard", "question": "What is a 'random sample'?", "options": {"A": "A sample where every member has an equal chance of being selected", "B": "A sample chosen based on convenience", "C": "A sample of your friends", "D": "A sample that is not random"}, "correct_answer": "A"},
    {"id": 88, "difficulty": "hard", "question": "Why is a random sample important?", "options": {"A": "It helps avoid bias and makes the sample more representative", "B": "It is easier to choose", "C": "It is always smaller", "D": "It takes less time"}, "correct_answer": "A"},
    {"id": 89, "difficulty": "hard", "question": "What is a 'convenience sample'?", "options": {"A": "A sample chosen because it is easy to reach", "B": "A random sample", "C": "A sample of the whole population", "D": "A sample that is always best"}, "correct_answer": "A"},
    {"id": 90, "difficulty": "hard", "question": "What is a problem with a convenience sample?", "options": {"A": "It might not represent the whole population", "B": "It is too random", "C": "It is too large", "D": "It is too expensive"}, "correct_answer": "A"},
    {"id": 91, "difficulty": "hard", "question": "You want to know the average time students spend on homework. You survey the students in your class. Is this a random sample of the school?", "options": {"A": "No, because it only includes your class", "B": "Yes, because your class is part of the school", "C": "Yes, because it is easy", "D": "No, because everyone does homework"}, "correct_answer": "A"},
    {"id": 92, "difficulty": "hard", "question": "How could you get a random sample of the school for the homework time survey?", "options": {"A": "Put all student names in a hat and draw 30 names", "B": "Only ask your friends", "C": "Ask the first 30 students you see", "D": "Ask only the teachers"}, "correct_answer": "A"},
    {"id": 93, "difficulty": "hard", "question": "What is a 'hypothesis' in data collection?", "options": {"A": "An educated guess that can be tested", "B": "A sure answer", "C": "A type of graph", "D": "A survey question"}, "correct_answer": "A"},
    {"id": 94, "difficulty": "hard", "question": "Give an example of a hypothesis.", "options": {"A": "I think students who read more books get higher grades.", "B": "What is your favorite book?", "C": "Books are heavy.", "D": "I like to read."}, "correct_answer": "A"},
    {"id": 95, "difficulty": "hard", "question": "How can data be used to test a hypothesis?", "options": {"A": "By collecting and analyzing relevant data", "B": "By guessing", "C": "By asking one person", "D": "By ignoring the data"}, "correct_answer": "A"},
    {"id": 96, "difficulty": "hard", "question": "What does 'correlation' mean in data analysis?", "options": {"A": "A relationship between two variables", "B": "The same as causation", "C": "A type of graph", "D": "The average of the data"}, "correct_answer": "A"},
    {"id": 97, "difficulty": "hard", "question": "If data shows that ice cream sales and swimming pool attendance both increase in summer, what is the correlation?", "options": {"A": "Positive correlation", "B": "Negative correlation", "C": "No correlation", "D": "Inverse correlation"}, "correct_answer": "A"},
    {"id": 98, "difficulty": "hard", "question": "Does correlation always mean that one thing causes the other?", "options": {"A": "No, correlation does not imply causation", "B": "Yes, always", "C": "Only sometimes", "D": "Never"}, "correct_answer": "A"},
    {"id": 99, "difficulty": "hard", "question": "In the ice cream and pool example, what is the likely 'hidden' factor causing both to increase?", "options": {"A": "Hot weather", "B": "Cold weather", "C": "The price of ice cream", "D": "The size of the pool"}, "correct_answer": "A"},
    {"id": 100, "difficulty": "hard", "question": "What is the ultimate purpose of collecting, organizing, representing, and interpreting data?", "options": {"A": "To make informed decisions and understand the world better", "B": "To get a good grade", "C": "To fill up notebooks", "D": "To make colorful graphs"}, "correct_answer": "A"}
  ]
}