The Alice Corporation Used Regression Analysis to Predict the Annual

question 102

Multiple Choice

The Alice Corporation used regression analysis to predict the annual cost of indirect materials.The results were as follows: Indirect Materials Cost
Explained by Units Produced
$\begin{array}{lr}\text { Constant } & \$ 21,885 \\\text { Standard error of Y estimate } & \$ 4,560 \\\text { R - squared } & 0.6732 \\\text { No. of observations } & 22 \\\text { Degrees of freedom } & 20 \\& \\\text { X coefficients) } & 8.75 \\\text { Standard error of coefficients) } & 9.1876\end{array}$ The coefficient of determination is_____.

• A)9.1876
• B)22
• C)8.75
• D)0.6732

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Definitions:

Independent Variables

are variables in an experiment that are manipulated by the researcher to observe their effect on dependent variables, crucial for establishing causal relationships.

Convenience Sample

A type of non-random sampling where participants are selected based on their availability and willingness to take part.

Naturalistic Observations

A research method where subjects are observed in their natural environment without any manipulation by the observer.

Cross-Cultural Psychologist

A psychologist who studies the ways cultural context influences human behavior and mental processes.