1. Hand calculate mean, median, mode, range, variance and standard deviation for the following distribution. (Show your work) (7 points)

X f

5 3

8 6

9 2

10 5

11 1

12 2

14 1

2. Hand calculate mean, median, mode, range, variance and standard deviation for the following distribution. {Show your work) {7 points) X f 5 3 8 6 9 2 10 5 11 1 12 2 14 1 X F F {x} {Xmean} {litmean}2 Fimean}2 5 3 5 times 3 = 15 8 6 8 times 6 = 48 9 2 9 times 2 = 18 10 5 10 times 5 = 50 11 1 11 times 1 = 11 12 2 12 times 2 = 24 14 2 14 times 2 = 28 N= total F= Total: 194 Total: 2;); = 194