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Question No.21

Handling of warranty returns, process improvement team meetings and rework to meet customer expectations are all examples of business costs that are classified as .

1. Nuisance

2. Non-value Add

3. Necessary

4. Unavoidable

Correct Answer: B

Question No.22

Since Normality is required if we intend to use the data collected as a predictive tool. To test for Normality of data we must determine if the P-value is .

1. Equal to 0.05

2. Less than 0.05

3. Greater than 0.05

4. Greater than 0.5

Correct Answer: C

Question No.23

For a Normal Distribution as samples size increases the Range in Mean and Standard Deviation decrease relative to the Mean and Standard Deviation of the population.

1. True

2. False

Correct Answer: A

Question No.24

The validity of the decision made with Hypothesis Testing is dependent upon all of these except

.

1. Beta risk

2. Alpha risk

3. Range of data

4. Sample size

Correct Answer: C

Question No.25

When a Belt properly analyzes the results of an experiment he must examine the Residuals in expectation of finding all of the following except .

1. Some Residuals higher than others

2. Residuals will represent a Linear Regression

3. All Residuals within 2 Standard Deviations of the Mean

4. Some Residuals lower than others

Correct Answer: B

Question No.26

Sally and Sara sell flower pots at their garage sale. Sally motivates Sara mentioning that they will sell a minimum of 15 pots per day if the outside temperature exceeds 60o F. From a sample, whose population is assumed to follow a Normal Distribution, taken for 30 days at 60 degrees or more an average of 13.6 pots per day were sold with a Standard Deviation of 0.7 pots. The statistical Degrees of Freedom for this example are?

A.	1
B.	29
C.	30
D.	31
E.	2

Correct Answer: B

Question No.27

When a Belt conducts a Linear Correlation Analysis and finds that as an X increases the Y also increase then he has proven a correlation.

1. Negative

2. Positive

3. Monomial

4. Single alignment

Correct Answer: B

Question No.28

Screening experiments are the proper choice when a Belt is faced with the situation of highly Fractional Factorial Designs.

1. True

2. False

Correct Answer: A

Question No.29

Contingency Tables are used to test for association, or dependency, between two or more classifications.

1. True

2. False

Correct Answer: A

Question No.30

Statistical Difference is the magnitude of difference or change required to distinguish between a true difference, brought about by change or improvement, and one that could have occurred by chance.

1. True

2. False

Correct Answer: A

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