A Researcher Is Interested in Whether a Correlation Exists Between

question 73

Short Answer

A researcher is interested in whether a correlation exists between Alcohol scores and Drug Abuse scores on the MAQ (Maryland Acquisition Questionnaire). A group of inmates, all of whom had at least two previous incarcerations, were given the MAQ and their Drug and Alcohol scores were compared. $$\begin{array} { c c c } \text { Subj\# } & \text { Drug } & \text { Alcohol } \\1 & 34 & 40 \\2 & 75 & 60 \\3 & 48 & 53 \\4 & 55 & 47 \\5 & 40 & 50 \\6 & 42 & 48 \\7 & 56 & 52 \\8 & 44 & 54 \\9 & 54 & 44 \\10 & 52 & 56 \\11 & 48 & 51 \\12 & 50 & 41 \\13 & 47 & 38 \\14 & 53 & 55 \\15 & 60 & 40 \\16 & 40 & 60 \\17 & 48 & 58 \\18 & 52 & 60 \\19 & 50 & 48 \\20 & 53 & 47\end{array}$$
-Is it significant?

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Definitions:

Machine-Hours

A measure of production output or activity based on the number of hours a machine is operated within a given period.

Power Cost

Power cost refers to the expenditure associated with the consumption of electrical energy by a company or an individual.

Automotive Engines

The power units of vehicles, designed to convert fuel into mechanical energy to enable motion.

Labor Rate Variance

The difference between the actual labor rate paid and the standard labor rate expected, indicating over or underpayment.