Question

How do you find the mean, standard deviation, and variance of a data set?

Answer 1

@dan815 will you help me?

Answer 2

For the mean, add all the values in the set and divide by the number of data points

For example, 3,7,9,1,3

(3+7+9+1+3)/5=4.6

Answer 3

for standard deviation use this formula https://www.mathsisfun.com/data/standard-deviation-formulas.html


and variance is the square of the standard deviation.

Answer 4

@aaronq Thank you!