The scores of batsman A were : 28, 60, 38, 24, 32, 45, 53, 36, 44, 34. Find the variance.

The scores of batsman A were : 48, 80, 58, 44, 52, 65, 73, 56, 64, 54. Find the variance.

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

The scores of 10 students in a test, in which the maximum marks Were 50 as follows : 28, 36, 34, 28, 48, 22, 35, 27, 19, 41. Find the Variance.

The weights (in kg.) of 15 students of a class are: 38, 42, 35, 37, 45, 50, 32, 43, 43, 40, 36, 38, 43, 38, 47 Find the mode and median of this data.

The weights (in kg.) of 15 students of a class are: 38, 42, 35, 37, 45, 50, 32, 43, 43, 40, 36, 38, 43, 38, 47 Is there more than one mode?

The weights (in kg) of 30 students of a class are 49, 48, 46, 48, 48, 50, 52, 53, 54, 43, 43, 41, 43, 55, 56, 48, 47, 41, 40, 49, 51, 51, 56, 46, 45, 44, 49, 53, 42 and 47. Prepare a frequency table for the above data and answer the following questions : Find the number of students having the maximum weight in the above data.

The weights (in kg) of 30 students of a class are 49, 48, 46, 48, 48, 50, 52, 53, 54, 43, 43, 41, 43, 55, 56, 48, 47, 41, 40, 49, 51, 51, 56, 46, 45, 44, 49, 53, 42 and 47. Prepare a frequency table for the above data and answer the following questions : Find the number of students having the least weight in the above data.

The ages of 30 teachers in a school are as follows: 25, 28, 43, 36, 27, 34, 50, 45, 30, 32, 51, 44, 33 31, 30, 35, 42, 45, 41, 47, 30, 34, 32, 35, 31, 36, 46, 56, 25, 36. 1. Make a frequency distribution table with intervals as 30-35. 2. Prepare a histogram of the above frequency distribution table.