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Six Sigma Correlation, Regression, And Hypothesis Testing Correct Answers Latest Version
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Six Sigma Correlation, Regression, And Hypothesis Testing Correct Answers Latest Version
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Six Sigma Correlation, Regression, AndHypothesis Testing Correct Answers
Latest Version
What are the characteristics of causation? ANS✔✔ - It is asymmetrical
- It can be difficult to determine if there's a third unknown variable
- It's not reversible
In what ways does multi-vari analysis help Six Sigma teams during the
Analyze stage? ANS✔✔ - Provides the knowledge needed to help reduce or
eliminate variation during the next stage of DMAIC
- Displays patterns of variation
- Helps identify which Xs are the key sources of variation
What conditions are necessary for effective hypothesis testing? ANS✔✔ -
Distribution of y values has constant variance
- Distribution of y values is normal
- Y values are random and independent
You've plotted variation points for the widths of various sample smartphones
on a multi-vari chart.
What statements interpret the multi-vari chart correctly? ANS✔✔ - Variation
in smartphone width depends on when it was produced
- Variance in smartphone widths at 8am differs from variance in width at
8pm
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