Question

the number of school related activities per student 0 1 2. 3. 4. 5 0.058 0.124. 0.165. 0.176. 0.214. 0.126 70.054 Find the mean, variance,and the standard deviation of the probability distribution? I found the mean but I can't figure out the variance i keep getting the answer wrong please help

Answer 1

Given data

0.058, 0.124, 0.165, 0.176, 0.214, 0.126 , 0.083, 0.054

Part 1

The mean is the average of a data set.

The mean is found by adding all of the numbers together and dividing by the number of items in the set.