1. For the following data set, what is the range?

26 59 88 96 154 209 265 294 304 321 42 64 96 121 155 224 267 64 322

a. 296

b. 269

c. 268

d. 214

e. 119

2. For the data set in problem #1, what is the variance?

a. 11329.89

b. 10799.77

c. 12311.78

d. 10987.32

e. 20118.45

3. For the data set in problem #1, what is the standard deviation?

a. 104.820

b. 103.922

c. 109.230

d. 106.442

e. 110.958

4. For the following data set, what is the variance?

Apparent Limits Frequency

50-59 12

40-49 25

30-39 39

20-29 32

10-19 17

a. 113.257

b. 212.657

c. 137.652

d. 149.439

e. 208.991

5. For the data set in problem #4, what is the standard deviation?

a. 11.733

b. 10.642

c. 14.565

d. 14.583

e. 12.225