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- 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.
7. 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.
Answers (1)
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Given,
Enrolment during 6 consecutive years =
We know, Arithmetic mean
Therefore, mean enrolment per year is