Practice Introduction to Statistics - 5.1 | 5. Statistics | ICSE Class 9 Maths
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5.1 - Introduction to Statistics

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Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

Define data in statistics.

💡 Hint: What kind of information can be considered data?

Question 2

Easy

What is frequency?

💡 Hint: Think of how many students chose a certain color in a survey.

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 definition of statistics?

  • A branch of science dealing with numbers.
  • A method for finding the average.
  • The study of collecting
  • analyzing
  • and interpreting data.

💡 Hint: Think about the broader role of statistics.

Question 2

True or False: Raw data is organized.

  • True
  • False

💡 Hint: Think about how you might first collect unprocessed information.

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

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!

Question 2

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.

Challenge and get performance evaluation