Select all the statements that are true after reviewing the Capability Analysis shown here.
(Note: There are 4 correct answers).
Answer : B,C,D,E
A Six Sigma tool that helps to screen factors by using graphical techniques to logically subgroup multiple discrete X's plotted against a continuous Y is known as a
_____________Chart.
Answer : B
A primary benefit of using a Multi-Vari Chart is it provides a visual presentation of two-way interactions.
Answer : A
__________ Distributions occur when data comes from several sources that are supposed to be the same yet are not.
Answer : A
Bias in Sampling is an error due to lack of independence among random samples or due to systematic sampling procedures.
Answer : A
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
____________________.
Answer : B
For a Normal Distribution the Mean, Median and Mode are the same data point.
Answer : A
When two Inputs have an impact on the Output together yet seem to have no or little impact on their own this is called a/an ________________.
Answer : A
Hypothesis Testing can save time and help avoid high costs of experimental efforts by using existing data.
Answer : A
It is a Type II error if we decide to reject the Null Hypothesis when it is actually true.
Answer : B
A Belt experienced an Alpha of .05 and a Beta of .10 and knew these are the most common risk levels when running a Statistical test.
Answer : A
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.
Answer : D
The Central Limit Theorem helps us understand the ___________ we are taking and is the basis for using sampling to estimate population parameters.
Answer : C
Hypothesis Tests determine the probabilities of differences between observed data and the hypothesis being solely due to _________ based on the result of the P-values.
Answer : D
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?
Answer : A
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