Practice Statistics - 9 | 9. Statistics | ICSE Class 11 Maths | Allrounder.ai
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9 - Statistics

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Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

Define mean.

πŸ’‘ Hint: Think of it as total scores divided by the number of scores.

Question 2

Easy

What is a mode in a dataset?

πŸ’‘ Hint: Consider the number that appears the most often.

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 is the formula to calculate the mean?

  • (Sum of values)/Number of values
  • (Sum of values)/2
  • (Sum of values)^2

πŸ’‘ Hint: Think of an average!

Question 2

Median is the middle value in a data set, true or false?

  • True
  • False

πŸ’‘ Hint: Think about sorting the list!

Solve 3 more questions and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

A survey of students' books read in a year results in the following frequency: 2 (1 book), 4 (2 books), 6 (3 books), 5 (4 books), and 3 (5 books). Calculate the mean, median, and mode of books read.

πŸ’‘ Hint: Tabulate the data first to better visualize and perform calculations.

Question 2

A group of kids' ages are: 8, 10, 8, 12, 14. If one boy is added, aged 6, how will this impact the mean, median, and mode?

πŸ’‘ Hint: Check the new total before recalculating the mean.

Challenge and get performance evaluation