A Six Sigma project has produced a regression model with an R³ value of 0.92. What does this indicate? A) 92% of the variation in the output is explained by the model B) The model is 92% accurate C) The residuals are normally distributed D) There is a 92% chance of passing the process audit What assumption is required for the validity of an ANOVA test? A) All samples must have different means B) Equal sample sizes in all groups C) Normality of residuals D) Unequal variances across levels A Pareto chart is most useful for: A) Monitoring variation over time B) Analyzing count data C) Identifying the most significant causes of defects D) Comparing central tendencies

Operations Research : Applications and Algorithms
4th Edition
ISBN:9780534380588
Author:Wayne L. Winston
Publisher:Wayne L. Winston
Chapter15: Deterministic Eoq Inventory Models
Section15.2: The Basic Economic Order Quantity Model
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A Six Sigma project has produced a regression model with an R³
value of 0.92. What does this indicate?
A) 92% of the variation in the output is explained by the model
B) The model is 92% accurate
C) The residuals are normally distributed
D) There is a 92% chance of passing the process audit
What assumption is required for the validity of an ANOVA test?
A) All samples must have different means
B) Equal sample sizes in all groups
C) Normality of residuals
D) Unequal variances across levels
A Pareto chart is most useful for:
A) Monitoring variation over time
B) Analyzing count data
C) Identifying the most significant causes of defects
D) Comparing central tendencies
Transcribed Image Text:A Six Sigma project has produced a regression model with an R³ value of 0.92. What does this indicate? A) 92% of the variation in the output is explained by the model B) The model is 92% accurate C) The residuals are normally distributed D) There is a 92% chance of passing the process audit What assumption is required for the validity of an ANOVA test? A) All samples must have different means B) Equal sample sizes in all groups C) Normality of residuals D) Unequal variances across levels A Pareto chart is most useful for: A) Monitoring variation over time B) Analyzing count data C) Identifying the most significant causes of defects D) Comparing central tendencies
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