The fourth class interval for a grouped data whose first and second class intervals are 10 - 15 and 15 - 20 respectively is _____.

Solution:

The fourth class interval for a group data means there are four set of intervals with a gap of 5

First class is 10 - 15, second class is 15 - 20

Third class would be 20 - 25 and fourth class would be 25 - 30

✦ Try This: The fifth class interval for a grouped data whose first and second class intervals are 10 - 15 and 15 - 20 respectively is ____.

The fifth class interval for a group data means there are four sets of intervals with gap of 5

First class is 10 - 15, second class is 15 - 20

Third class would be 20 - 25 and fourth class would be 25 - 30

The fifth class would be 30 - 35

☛ Also Check: NCERT Solutions for Class 8 Maths Chapter 5

NCERT Exemplar Class 8 Maths Chapter 2 Sample Problem 7

The fourth class interval for a grouped data whose first and second class intervals are 10 - 15 and 15 - 20 respectively is _____.

Summary:

The fourth class interval for a grouped data whose first and second class intervals are 10 -15 and 15 -20 respectively is 25 - 30

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