What is the meanof the following data: 1, 4, 7, 3, 9, 5, 3, 2, 7, 5.

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4.5

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Solution

The correct option is B
4.5

Mean = $\frac{S u m o f o b s e r v a t i o n s}{N o . o f O b s e r v a t i o n s}$

= $\frac{1 + 4 + 7 + 3 + 9 + 5 + 3 + 2 + 7 + 5}{10}$

= $\frac{46}{10}$

= 4.6

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