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प्रश्न
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.
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उत्तर
Mean enrolment = `(1555 + 1670 + 1750 + 2013 + 2540 + 2820)/6`
= `12348/6`
= 2058
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