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Question

Find the arithmetic mean of the following data:
2, 3, 4, 5, 6, 7, 8, 9


A
5.5
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B
4.5
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C
5
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D
6
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Solution

The correct option is A 5.5
The arithmetic mean = Sum of observationsTotal number of observations = 2+3+4+5+6+7+8+98 = 448 = 5.5.

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