Question 20The 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 13th observation is:A) 23B) 36C) 38D) 40

Question 20The mean of 25 observation is 36. Out of these observations

1.	Question 20The 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 13th observation is:A) 23B) 36C) 38D) 40
Answer» 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