CLSSGB Free Practice Test

To draw inferences about a sample population being studied by modeling patterns of data in a way that accounts for randomness and uncertainty in the observations is known as __________.

1. A. Influential Analysis
2. B. Inferential Statistics
3. C. Physical Modeling
4. D. Sequential Inference

Correct Answer: B

According to a manager it takes an average weekday commute of 39 minutes with a Standard Deviation of 7 minutes for the employees to get to work when they use their personal vehicles for their office commute while management set a policy of not more than 40 minutes for their daily one-way commute. A survey conducted one day on 70 employees showed an average of 34 minutes commuting time using the metro public transportation system with a Standard Deviation of 21 minutes. For the employees choosing to increase their chances to come on time using personal transportation their variation should be reduced to __________?

1. A. 1 minute
2. B. 6 minutes
3. C. 3.5 minutes
4. D. Eliminate it to 0.0 minutes

Correct Answer: C

What is the Cycle Time, in seconds, for a process having a Throughput of 7,200 units per hour?

1. A. 0.5
2. B. 2
3. C. 4
4. D. 10

Correct Answer: A

Which statement(s) are correct for the Regression Analysis shown here? (Note: There are 2 correct answers).

1. A. This Regression is an example of a Multiple Linear Regression.
2. B. This Regression is an example of Cubic Regression.
3. C. %Cu explains the majority of the process variance in heat flux.
4. D. Thickness explains over 80% of the process variance in heat flux.
5. E. The number of Residuals in this Regression Analysis is 26.

Correct Answer: AD

The following Business Case is constructed properly.
“In business unit A there are too many flashlight returns and flashlight sales have decreased by 25 percent.”

1. A. True
2. B. False

Correct Answer: B