The marks of 10 students in a class are 38, 70, 48,34 ,42, 55 63, 46, 54,44. Find the standard deviation of these marks.

The scores of a batsman in ten innings are: 38,70,48,34,42,55,63,46,54,44. Find the mean deviation about the median.

The scores of a batsman in ten innings are: 38,70,48,34,42,55,63,46,54,44. Find the mean deviation about the median.

55,34,48,38,70,44,54,46,63,42. Find the mean deviation about the median.

Runs scored by a batsman in 10 innings are : 38, 70,48,34,42,55,63,46,54,44 The mean deviation is

The weights of 10 students (in kg) are 40, 52, 34, 47, 31, 35, 48, 41, 44, 38 Find the median weight.

The marks of 10 students in a class are 38 , 24 , 16 , 40 , 25 , 27 , 17 , 32 , 22 and 26 . Find Q_(1) .

The scores of a batsman in 10 innings are 70, 38, 34, 48, 55, 42, 63, 46, 54, 44 . The mean deviation about medium is -

The average marks of 10 students in a class was 60 with standard deviation 4. While the average marks of other 10 students was 40 with a standard deviation 6. If all the 20 students are taken together,their standard deviation will be

The average marks of 10 students in a class was 60 with a standard deviation 4 while the average marks of the other ten students was 40 with a standard deviation 6. If all the 20 students are taken together their standard deviation will be

The marks in statics of ten students of class are 90, 77, 63, 91, 89, 85, 95, 58, 68 and 86. Find the mean marks of these students