*For numbers 10-12. The following data are the number of television sets sold monthly by 10 appliances store.

24, 8, 10, 24, 22, 15, 23, 12, 10, 14

10. Determine the mean deviation.
a. 4.84
b. 5.84
c. 6.84
d. 7.84

11. Determine the variable.
a. 44.4
b. 55.5
c. 64.4
d. 75.5

12. Determine the standard deviation.
a. 6.66
b. 7.45
c. 8.02
d. 8.69​