Practice Example 5 (12.1.C.2) - Statistics - CBSE 9 Mathematics
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Example 5

Practice - Example 5

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Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is a bar graph?

💡 Hint: Think about how we can visually compare things.

Question 2 Easy

What type of data does a histogram represent?

💡 Hint: Remember the continuous and discrete types of data.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What type of data would you use a histogram for?

Discrete Data
Continuous Data
Binary Data

💡 Hint: Think about how data is spread out across ranges.

Question 2

True or False: The areas of the bars in a histogram are not proportional to the frequencies of the data.

True
False

💡 Hint: Reflect on the definition of histograms.

2 more questions available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Given the following data with varying widths: Age groups (0-5, 6-10, 11-15) and corresponding frequencies (10, 15, 5), draw an appropriate histogram with correct widths and heights.

💡 Hint: Remember the area of a rectangle represents frequency.

Challenge 2 Hard

Using the following marks data: 0-10 (10), 10-20 (20), 20-30 (15), 30-40 (5), create a frequency polygon from this histogram data without drawing the histogram.

💡 Hint: The mid-mark calculations are essential!

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