the group. .
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.
8. The rainfall (in mm in a citron 7 do
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We know that,
Mean = Sum of the terms / No. of terms
No. of terms = 6
The sum of the terms = 1555 + 1670 + 1750 + 2013 + 2540 + 2820 = 12348
Mean = 12348 / 6
ﾠﾠﾠㅤ = 2058
The mean enrollment of the school for this period is 2058.
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