- (Topic 1)
Samples of size n=36 are randomly selected from a population with mean = 125 and variance 12. Find the variance of the distribution of sample means.

1. A. .333
2. B. .577
3. C. 2
4. D. 3.464
5. E. 12

Correct Answer: A

- (Topic 2)
If the value of the test statistic had been 0.185, what action should have been taken regarding the null hypothesis?

1. A. rejected
2. B. accepted
3. C. none of the above
4. D. all of the above

Correct Answer: C

- (Topic 1)
This table displays the inventory of fasteners in a storage cabinet. A bolt is selected at random from the fastener cabinet. Find the approximate probability it is size 7/8.

1. A. 11
2. B. .08
3. C. .09
4. D. .30
5. E. none of the above

Correct Answer: A

- (Topic 2)
“Robust design” refers to the ability of the product or service:

1. A. to function the same in different conditions
2. B. to remain strong
3. C. to last a long time
4. D. to have a high reliability

Correct Answer: A

- (Topic 1)
SWOT is an acronym for:

1. A. strengths, weaknesses, opportunities, threats
2. B. statistics without tables
3. C. sensory Weibull ordinal tools
4. D. success wields optimal teams
5. E. none of the above

Correct Answer: A