- (Topic 1)
There are 14 different defects that can occur on a completed time card. The payroll department collects 328 cards and finds a total of 87 defects. DPU =

1. A. 87 ÷ 328
2. B. 87 ÷ (328 × 14)
3. C. 14 ÷ 87
4. D. 87 ÷ 14
5. E. 328 ÷ 87
6. F. 87 × 1,000,000 ÷ (14 × 328)

Correct Answer: A

- (Topic 2)
Which value of x will minimize transmitted noise?

1. A. X1
2. B. X2
3. C. X3
4. D. X4

Correct Answer: C

- (Topic 1)
When comparing two vendors’ machines it is found that a sample of 1000 parts from machine A has 23 defectives and a sample of 1300 parts from machine B has 36 defectives. Do the data indicate that machine B has a higher rate of defectives?

1. A. yes
2. B. no
3. C. all of the above

Correct Answer: A

- (Topic 2)
An indication of the experimental error is available because the design has:

1. A. multiple replications
2. B. multiple levels
3. C. multiple factors

Correct Answer: A

- (Topic 2)
A correct statement about the relationship between the terms parameter and statistic is:

1. A. a population statistic is more accurate than a parameter
2. B. a sample parameter is used to estimate a statistic
3. C. a sample statistic is used to estimate a population parameter
4. D. standard deviation calculations requires both statistics and parameters

Correct Answer: C