Test a Hypothesis Regarding Three or More Means Using One $\mu ^ { 2 }$

question 33

Multiple Choice

Test a Hypothesis Regarding Three or More Means Using One -Way ANOVA
-Which of the following is not an example of a mean square?

• A) \(\mu ^ { 2 }\)
• B) \(\frac { n _ { 1 } ( \bar { x } 1 - \bar { x } ) + n _ { 2 } ( \bar { x } 2 - \bar { x } ) + \ldots + n _ { k } ( \bar { x } k - \bar { x } ) } { k - 1 }\)
• C) \(\sigma ^ { 2 }\)
• D) \(\frac { \left( \mathrm { n } _ { 1 } - 1 \right) \mathrm { s } _ { 1 } ^ { 2 } + \left( \mathrm { n } _ { 2 } - 1 \right) \mathrm { s } _ { 2 } ^ { 2 } + \ldots + \left( \mathrm { n } _ { \mathrm { k } } - 1 \right) \mathrm { s } _ { \mathrm { k } } ^ { 2 } } { \mathrm { n } - \mathrm { k } }\)

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Definitions:

Rate Variance

The difference between the actual rate and a predetermined or standard rate.

Direct Labor-Hours

The aggregate of direct labor hours required for manufacturing a good or rendering a service.

Variable Overhead

Indirect production costs that vary with the level of output, including supplies and utilities necessary for production but not directly tied to specific products.

Efficiency Variance

The difference between the actual amount of resources used in production and the amount that should have been used, reflecting efficiency in resource usage.