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Ex 3.1, 7 - The enrolment in a school during six consecutive years was

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Ex 3.1, 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. Mean enrollment = (π‘†π‘’π‘š π‘œπ‘“ π‘’π‘›π‘Ÿπ‘œπ‘™π‘™π‘šπ‘’π‘›π‘‘π‘ )/(π‘π‘’π‘šπ‘π‘’π‘Ÿ π‘œπ‘“ π‘¦π‘’π‘Žπ‘Ÿπ‘ ) = (1555 + 1670 + 1750 + 2013 + 2540 + 2820)/6 = 12348/6 = 2058 ∴ Mean enrollment per year is 2058 students

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