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

Calculate standard deviation from the data on marks obtained by 10 students : 33 , 40 , 59 , 60 , 64 , 70 , 79 , 85 , 90 , 95

Calculate standard deviation of marks secured by 100 examinees in the examination:

Find out standard deviation of the following data:

Find the standard deviation of first 10 natural numbers.

Calculate range, standard deviation and coefficient of variation of marks secured by students.

Find out standard deviation of the savings of the following 10 persons:

The following table shows frequency distribution of marks secured by 100 students in a particular examination. Find the mean of the marks.

Find out standard deviation of the monthly income of 5 person, as stated below: