Practice Example 1 (12.1.A.1) - Statistics - CBSE 9 Mathematics
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Example 1

Practice - Example 1

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Practice Questions

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Question 1 Easy

How many students were born in November according to the graph?

💡 Hint: Look for the bar representing November.

Question 2 Easy

What is the purpose of a bar graph?

💡 Hint: Think about why we use graphs instead of tables.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What variable does the bar graph represent?

Months of the year
Number of students
Types of graphs

💡 Hint: Think about what data is being collected.

Question 2

True or False: A bar graph can effectively show data distribution.

True
False

💡 Hint: Consider the advantages of visual data representation.

2 more questions available

Challenge Problems

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Challenge 1 Hard

The data collected shows that these birth months correspond to several students: January (6), February (5), March (8), November (4). Make a bar graph representing this data and analyze the month with the least births.

💡 Hint: Focus on precise graphing with the correct scales.

Challenge 2 Hard

If we have the total birthdays, calculate the average number of students per month based on the previous month's data displayed in a bar graph: January (6), February (5), March (8), November (4).

💡 Hint: Recall how to calculate averages!

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