Calculate mean, Variance and Standard Deviation for the following distribution.

Calculate the mean, variance and standard deviation for the following distribution :

Calculate the mean, variance and standard deviation for the following distribution.

Calculate the mean, variance and standard deviation for the following distribution :

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

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

Calculate the mean , variance and standard deviation for the following distribution:

Calculate mean, variance and standard deviation for the following data.

Calculate the mean, vartiance and standard deviation for the following distribution.

Calculate the mean , variance and standard deviatino for the following distribution :