The Relationship Between the Number of Games Won by an NHL

question 7

Multiple Choice

The relationship between the number of games won by an NHL team and the average attendance at their home games is analyzed.A regression to predict the average attendance from the number of games won has an
= 31.4%.The residuals plot indicated that a linear model is appropriate.What is the correlation between the average attendance and the number of games won.

• A)0.099
• B)0.560
• C)0.314
• D)0.686
• E)0.828

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Definitions:

Dependent Variable

A dependent variable is the outcome or response that researchers are interested in explaining or predicting, changing in response to manipulation of the independent variable.

Independent Variable

The variable in an experimental or observational study that is manipulated or categorized to observe its effect on the dependent variable.

Covariance Value

A measure indicating the extent to which two random variables change together, where a positive value implies direct correlation, and a negative value an inverse correlation.

Least Squares Regression

A statistical method used to determine the line of best fit by minimizing the sum of squares of the differences between observed values and the values predicted by the model.