Practice Statistics - 7 | 7. Statistics | CBSE Class 9 AI (Artificial Intelligence)
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Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is data?

💡 Hint: Think about what data can turn into.

Question 2

Easy

Name one type of qualitative data.

💡 Hint: Consider categories that don't have numerical values.

Practice 4 more questions and get performance evaluation

Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

What type of data is age classified as?

  • Qualitative
  • Quantitative
  • Categorical

💡 Hint: Think about whether you can measure it using numbers.

Question 2

True or False: Secondary data is always more reliable than primary data.

  • True
  • False

💡 Hint: Consider the source and timeliness when evaluating reliability.

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Analyze the following dataset: 6, 8, 6, 7, 5, 5, 6, 9. What is the mean, median, and mode?

💡 Hint: Calculate for each one step-by-step!

Question 2

Create a frequency distribution table for the following weights recorded: 55, 60, 60, 65, 70, 70, 70, 75, 80.

💡 Hint: Count how often each weight appears and organize it.

Challenge and get performance evaluation