A Firm Is Concerned with Variability in Hourly Output at Several

question 74

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) . $$\begin{array} { | l | c | c | c | c | } \hline \text { Source } & \text { Sum of Squares } & \text { df } & \text { Mean Square } & \text { FRatio } \\\hline \text { Factory } & 19012.5 & 1 & 19012.5 & 26.427 \\\hline \text { Shift } & 258.333 & 2 & 129.167 & 0.180 \\\hline \text { Factory*Shift } & 80908.333 & 2 & 40454.167 & 56.230 \\\hline \text { Error } & 8633.333 & 12 & 719.444 & \\\hline \text { Total } & 108812.5 & 17 & 6400.735 & \\\hline\end{array}$$ The original data matrix has how many treatments (rows × columns) ?

• A)4
• B)6
• C)3
• D)8

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Definitions:

Median Age

A statistic that divides a population into two equal groups: half of the people are younger than this age and half are older, serving as a indicator of the age distribution in a population.

Substance Abuse

Substance Abuse involves the harmful or hazardous use of psychoactive substances, including alcohol and illicit drugs, leading to addiction or other serious problems.

Behaviour Problems

Behaviour problems refer to actions or attitudes that are socially unacceptable or deviate significantly from normative expectations, often leading to negative consequences.

Anxiety

A feeling of worry, nervousness, or unease about something with an uncertain outcome, often reflecting a concern about future events.