Practice Summary (5) - Chapter 4 : Statistics - CBSE Class 9 Maths
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Summary

Practice - Summary

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Practice Questions

Test your understanding with targeted questions

Question 1 Easy

Identify if the following data is primary or secondary: 'A student conducts a survey on school lunch preferences.'

💡 Hint: Think about who collects the data.

Question 2 Easy

What shape do bars have in a bar graph?

💡 Hint: Remember how the bars are positioned.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What do we call data collected firsthand?

Primary Data
Secondary Data
Tertiary Data

💡 Hint: Think about who is collecting the data.

Question 2

True or False: In a histogram, bars are adjacent to one another without gaps.

True
False

💡 Hint: Consider how grouped data is visualized.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Calculate the mean, median, and mode of the following data set: 5, 6, 7, 8, 8, 10, 10, 10.

💡 Hint: Sort the data for mean, find middle values for median.

Challenge 2 Hard

Create a frequency distribution table from the list of numbers: 20, 20, 30, 20, 30, 30, and represent it using a histogram.

💡 Hint: Count occurrences for each unique number.

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Reference links

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