Question

the enrolment in a school during six consecutive your was a follows 1555,1670,1750,2013,2540,2820
Find the mean enrolment of the school for this period ​

Answer 1

The mean enrolment of the school for this period = (Sum of enrolments)/(Number of years) = (1555 + 1670 + 1750 + 2013 + 2540 + 2820)/6 = 12348/6 = 2058

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