Find the mean, variance and standard deviation for the following data :
15, 22, 27, 11, 9, 21, 14, 9
Explanation: Here, Mean 
And, n=8
Variance (X) = 
Variance = 38.75
Standard deviation = 
Standard deviation = 6.22
1
Find the mean, variance and standard deviation for the following data :
15, 22, 27, 11, 9, 21, 14, 9
Explanation: Here, Mean
And, n=8
Variance (X) =
Variance = 38.75
Standard deviation =
Standard deviation = 6.22