140. Given that total of 16 values is 528 and sum of the squares of deviation from 33 is 9158. The variance is

Following data shows the information about marks obtained in Physics, Chemistry, Mathematics and Biology by 100 students in a class. Then subject shows the highest variability in marks

If the variance of the data 2, 4, 5, 6, 8, 17 is 23.33, then the variance of 4, 8, 10, 12, 16, 34 will be

The mean of five observations is 4 and their variance is 5.2. If three of these observations are 1, 2 and 6, then the other two are