Consider the following to answer the question(s) below:
A study was recently performed by the Canada Revenue Agency to determine how much tip income waiters and waitresses would make based on the size of the bill at the table. A random sample of bills and resulting tips was collected. These data and regression results are as follows:

-The value of the correlation coefficient is
A) +0.9366.
B) - 0.9366.
C) +0.8773.
D) - 0.8773.
E) +0.8620.

Question

Consider the following to answer the question(s) below:
A study was recently performed by the Canada Revenue Agency to determine how much tip income waiters and waitresses would make based on the size of the bill at the table. A random sample of bills and resulting tips was collected. These data and regression results are as follows:
  
-The value of the correlation coefficient is
A) +0.9366. 
B) - 0.9366. 
C) +0.8773. 
D) - 0.8773. 
E) +0.8620.

Quizplus · Accepted Answer

The correlation coefficient given in the output is 0.9366, which corresponds to choice A.

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