Use the following information to answer the question. The following linear regression model can be used to predict ticket sales at a popular water park.
Ticket sales per hour = - 631.25 + 11.25(current temperature in °F)
-In the NBA, the correlation between "steals per game" and "blocked shots per game" is found to be 0.8045. Choose the statement that is true about the coefficient of determination.
A)The coefficient of determination states that about 64.72% of the variation in blocked shots per game is explained by steals per game.
B)The coefficient of determination, r2, is equal to approximately 0.6472.
C)When given as a percent, the coefficient of determination is always between 0 and 100%.
D)All of these are true statements.

Question

Quizplus · Accepted Answer

The coefficient of determination (r²) is the square of the correlation coefficient (r). Given r = 0.8045, r² = 0.6472, which is approximately 64.72%. This means about 64.72% of the variation in one variable is explained by the other, and r² is always between 0 and 1, or 0% and 100% when expressed as a percentage.

Use the Following Information to Answer the Question