Question

HELP !!!!
Use the following set of data for parts : 101, 102, 100, 100, 109, 110, 109, 108, 109


d. Find the variance _________



e. Find the standard deviation __________

Answer 1

101-105.3^2= 18.49
102-105.3^2= -10.89
100-105.3^2= 28.09
100-105.3^2= 28.09
109-105.3^2= 13.69
110-105.3^2=22.09
109-105.3^2= 13.69
108-105.3= 7.29
109-105.3^2= 13.69

Answer 2

156.01