# The enrolment in a school during six consecutive years was as follows:

1555, 1670, 1750, 2013, 2540, 2820

Find the mean enrolment of the school for this period

**Solution:**

We use the basic formula of mean to solve the problem.

The data about the enrolment in a school during six consecutive years is given as 1555, 1670, 1750, 2013, 2540, 2820

Mean enrollment = Sum of all the enrollments / Total numbers of years

Total number of years = 6

= (1555 + 1670 + 1750 + 2013 + 2540 + 2820) / 6

= 12348/6

= 2058

Thus, the mean enrollment of the school is 2058.

**ā Check: **NCERT Solutions for Class 7 Maths Chapter 3

**Video Solution:**

## The enrolment in a school during six consecutive years was as follows: 1555, 1670, 1750, 2013, 2540, 2820. Find the mean enrolment of the school for this period

NCERT Solutions Class 7 Maths Chapter 3 Exercise 3.1 Question 7

**Summary:**

The enrolment in a school during six consecutive years was as follows: 1555, 1670, 1750, 2013, 2540, 2820. The mean enrollment of the school is 2058.

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