The mean of 15 observations is 14. If the means of first 7 observations is 12 and that of last 7 observation is 16. Find the middle term.

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Solution

The correct option is C
14

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The mean of 15 observations is 14. If the means of first 7 observations is 12 and that of last 7 observation is 16. Find the middle term.

The correct option is C 14

The correct option is C
14