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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 .
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Nuisance
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Non-value Add
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Necessary
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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 .
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Equal to 0.05
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Less than 0.05
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Greater than 0.05
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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.
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True
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False
Correct Answer: A
Question No.24
The validity of the decision made with Hypothesis Testing is dependent upon all of these except
.
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Beta risk
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Alpha risk
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Range of data
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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 .
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Some Residuals higher than others
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Residuals will represent a Linear Regression
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All Residuals within 2 Standard Deviations of the Mean
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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.
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Negative
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Positive
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Monomial
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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.
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True
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False
Correct Answer: A
Question No.29
Contingency Tables are used to test for association, or dependency, between two or more classifications.
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True
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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.
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True
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False
Correct Answer: A
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