Find the standard deviation for the following data:
10, 20, 30, 40, 50, 60, 70, 80, 90

Calculate the mean and the standard deviation for the following distribution : Marks [20,30,40,50,60,80,90],[,-,-,-,-,-,-,-],[,30,40,50,60,70,90,[10],[0]], No.of Student [s] ,3,6,13,15,14,5,4]

Find the mean, and standard deviation for the following data: (i) Year render: 10 20 30 40 50 60 No. of persons (cumulative): 15 32 51 78 97 109

Calculate the mean and standard deviation for the following distribution: Marks:, 20-30, 30-40, 40-50, 50-60, 60-70, 70-80, 80-90 No. of students:, 3, 6, 13, 15, 14, 5, 4

Calculate the mean, variance and standard deviation for the following distribution: Class 30-40 40-50 50-60 60-70 70-80 80-90 90-100 Frequency 3 7 12 15 8 3 2

Using step deviation method find the standard deviation and its coeficient of the following data.Class 20-30,40-50,50-60,60-70,70-80,80-90 and Frequency 3,61,132,153,140,51,2

Find the median of the following data: CLASS ; 0-10 , 10-20 , 20-30 , 30-40 , 40-50 , 50-60 , 60-70 , 70-80 , 80-90 , 90-100 FREQUENCY ; 5 ,3 , 4 , 3 , 3 , 4 , 7 , 9 , 7 , 8

Calculate the mean and standard deviation for the following distribution: Marks:,20-30,30 - 40,40-50,50-60,60-70,70-80,80-90 No.of students: 3,6,13,15,14,5,4

Calculate the mean, variance and standard deviation for the following distribution:Class 30-40 40-50 50-60 60-70 70-80 80-90 90-100Frequency 3 7 12 15 8 3 2

Find the mean deviation from the mean of the following data: Classes:, 10-20, 20-30, 30-40, 40-50, 50-60, 60-70, 70-80 frequency, 2, 3, 8, 14, 8, 3, 2

Find the mean deviation from the mean of the following data: Classes:, 10-20, 20-30, 30-40, 40-50, 50-60, 60-70, 70-80 frequency, 2, 3, 8, 14, 8, 3, 2