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Introduction to Statistics

The mean of 2...

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The mean of 25 observations is 36. Out of these observations if the mean of first 13 observations is 32 and that of the last 13 observations is 40, the 13th observations is

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Q. The mean of 25 observations is 36. Out of these observations if the mean of first 13 observations is 32 and that the last 13 observations is 40, the 13^th observations is

(a) 23
(b) 36
(c) 38
(d) 40

Q. Question 20
The mean of 25 observation is 36. Out of these observations, if the mean of first 13 observations is 32 and that of the last 13 observations is 40, the

13^{t h}

observation is:

A) 23
B) 36
C) 38
D) 40

Q. The mean of 25 observations is 36. Out of these observations, the mean of first 13 is 32 and that of the last 13 is 40. The 13th observations is
(a) 23
(b) 36
(c) 38
(d) 40

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