Practice Example 5 - 12.1.C.2 | 12. Statistics | CBSE 9 Mathematics
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Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is a bar graph?

πŸ’‘ Hint: Think about how we can visually compare things.

Question 2

Easy

What type of data does a histogram represent?

πŸ’‘ Hint: Remember the continuous and discrete types of data.

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Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

What type of data would you use a histogram for?

  • Discrete Data
  • Continuous Data
  • Binary Data

πŸ’‘ 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

πŸ’‘ Hint: Reflect on the definition of histograms.

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Challenge Problems

Push your limits with challenges.

Question 1

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.

πŸ’‘ Hint: Remember the area of a rectangle represents frequency.

Question 2

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.

πŸ’‘ Hint: The mid-mark calculations are essential!

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