5) For Data Set 6-3, the scores that separate the middle 60 percent from the extremes are

a. 28.16, 35.84;

b. 29.48, 34.52;

c. 30.35, 33.56;

d. none of the other alternatives are correct.

8. Use Table B.1 (Z table) to answer questions about Data Set 6-5. The proportion of the population with scores

less than 225 is

a. .9332;

b. .4332;

c. .05668;

d. none of the other alternatives are correct.

9. Use Table B.1 (Z table) and Data Set 6-5. The proportion of the population with scores less than 0 is

a. .0000;

b. .9987;

c. .4987;

d. none of the other alternatives are correct.

10. If Data Set 6-5 were based on 500 scores, the number with scores between 175 and 200 would be

a. 266;

b. 225;

c. 75;

d. none of the other alternatives are correct.

11. The proportion of the population of scores in Data Set 6-5 that is between 100 and 175 would be

a. .3413;

b. .1915;

c. .1498;

d. none of the other alternatives are correct.

15. .4332 of the normal curve lies between and 1.5. The proportion between and standard deviation of .75

a. .8664;

b. .2166;

c. .0668;

d. .2734

16. .3849 of the normal curve falls between and standard deviation of 1.20. The proportion between and .6

is

a. .7698;

b. .19245;

c. .69245;

d. .2257