Practice Exercise 14.2 (9) - Chapter 4 : Statistics - CBSE Class 9 Maths
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Exercise 14.2

Practice - Exercise 14.2

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Practice Questions

Test your understanding with targeted questions

Question 1 Easy

Count the frequency of A blood groups from A, A, B, AB, O.

💡 Hint: Look carefully for how many A's are in the list.

Question 2 Easy

Create a simple table of fruit counts from: Apple-3, Banana-5.

💡 Hint: Just list each type and its count.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is a frequency distribution table?

A table showing data in random order
A table summarizing the frequency of data values
A graphical representation of data

💡 Hint: Think about how data is organized in a table.

Question 2

True or False: A grouped frequency distribution merges data into categories

True
False

💡 Hint: Group data means simplifying details into ranges.

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Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Given the rainfall data (in mm) for a week: 10, 20, 15, 20, 25, 30, 30, organize this data into a frequency distribution table.

💡 Hint: Think about how many days fall within certain limits.

Challenge 2 Hard

You have scores from a class of 40 students. How would you create a grouped frequency distribution table for scores: 55, 65, 75, 85, 90, 100 repeated in various frequencies?

💡 Hint: Break down into ranges like 50-60, 60-70, 70-80, etc.

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Reference links

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