5.1 - Introduction to Statistics
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Practice Questions
Test your understanding with targeted questions
Define data in statistics.
💡 Hint: What kind of information can be considered data?
What is frequency?
💡 Hint: Think of how many students chose a certain color in a survey.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the definition of statistics?
💡 Hint: Think about the broader role of statistics.
True or False: Raw data is organized.
💡 Hint: Think about how you might first collect unprocessed information.
1 more question available
Challenge Problems
Push your limits with advanced challenges
You surveyed 25 students about their favorite sports and received the following responses: Football, Basketball, Football, Tennis, Basketball, Tennis, Football, Football, Basketball, Tennis, Football, Basketball, Football, Cricket, Basketball, Tennis, Football, Tennis, Football, Basketball, Football, Tennis, Cricket, Football, Basketball. Create a frequency distribution table.
💡 Hint: Make sure to count each sport carefully!
If a class interval of ages in a survey are found to be 15-20, 21-25, and 26-30 with frequencies of 5, 3, and 7 respectively. Calculate the class mark for each interval.
💡 Hint: Use the formula (Upper Limit + Lower Limit) / 2.
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