A Firm Is Concerned with Variability in Hourly Output at Several

question 39

Multiple Choice

A firm is concerned with variability in hourly output at several factories and shifts.Here are the results of an ANOVA using output per hour as the dependent variable (some information is missing) . The p-value for the interaction effect is going to be:

• A) very small (near 0).
• B) very large (near 1).
• C) impossible to know-could be either large or small.

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Definitions:

Research Hypothesis

A statement predicting the relationship between variables in a study, opposing the null hypothesis.

ANOVA

Short for Analysis of Variance, a statistical method used to compare means of three or more samples.

Second Grouping Factor

A secondary variable used in an analysis to categorize or group data, allowing for comparisons across different levels of this variable.

4 × 3 Factorial Design

A statistical test used in experiments involving two independent variables, one with four levels and the other with three levels, to determine their effect on a dependent variable.