# Get all latest (August) ASQ CSSGB Actual Test 61-70

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QUESTION 61

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 ____________________.

 A. Influential Analysis B. Inferential Statistics C. Physical Modeling D. Sequential Inference

Correct Answer: B

QUESTION 62< /font>

The perfect sample size is the minimum number of data points required to provide exactly 6% overlap or risk if one wants a 95% confidence level.

 A. True B. False

Correct Answer: B

QUESTION 63

Bias in Sampling is an error due to lack of independence among random samples or due to systematic sampling procedures.

 A. True B. False

Correct Answer: A

QUESTION 64

The Central Limit Theorem helps us understand the ___________ we are taking and is the basis for using sampling to estimate population parameters.

 A. Analysis B. Kurtosis C. Risk D. Route

Correct Answer: C

QUESTION 65

Hypothesis Testing can help avoid high costs of experimental efforts by using existing data.

 A. True B. False

Correct Answer: A

QUESTION 66

Hypothesis Tests determine the probabilities of differences between observed data and the hypothesis being solely due to chance. This is determined based on the result of the ______________.

 A. Random acts B. P-values C. Standard Deviations D. R-values

Correct Answer: B

QUESTION 67

It is a Type I error if we reject the Null Hypothesis when it is actually true.

 A. True B. False

Correct Answer: A

QUESTION 68

Inferential Statistics is largely about Significance. There are both Practical and _______________ Significance to consider during an analysis of data in a Lean Six Sigma project.

 A. Problematic B. Impractical C. Usable D. Statistical

Correct Answer: D

QUESTION 69

Having an Alpha of .05 and a Beta of .10 are the most common risk levels when running a Statistical test.

 A. True B. False

Correct Answer: A

QUESTION 70

The Alpha level of a test (level of significance) represents the yardstick against which P-values are measured and the Null Hypothesis is rejected if the P-value is which of these?

 A. Less than the Alpha level. B. Greater than the Alpha level. C. Greater than the Beta and Alpha level. D. Less than one minus Alpha. E. Less than the power of one minus Beta.

Correct Answer: A

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