The following data gives marks obtained by 7 students of a class. Find out standard deviation of the marks.
40,42,38,44,46,48,50

Following data gives the marks obtained by 100 students in a test. Find the median

Following are the marks obtained by 10 students of a class. Calculate standard deviation and coefficient of standard deviation.

Find out the standard deviation of the marks secured by 10 students:

The following data gives the marks out of 50, obtained by 25 students of a class in a test 32,23,22,18,42,18,20,17,12,9,11 Arrange them in ascending order

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 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 median and mean values of the marks obtained by the students of a class are 46.67 and 45.5, respectively. Find out the mode of the marks.

The median and mean values of the marks obtained by the students of a class are 46,67 and 45.5, respectively. Find out the mode of the marks.

Following data gives total marks (out of 600) obtained by six students of a particular class. Represent the data on a bar graph.