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:

-In testing the null hypothesis that the correlation coefficient, ρ, equals 0, the correct critical value at 5% significance level is
A) 2.3060
B) 2.2281
C) 1.8595
D) 1.8125
E) 2.2622

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:
  
-In testing the null hypothesis that the correlation coefficient, ρ, equals 0, the correct critical value at 5% significance level is
A) 2.3060 
B) 2.2281 
C) 1.8595 
D) 1.8125 
E) 2.2622

Quizplus · Accepted Answer

The critical value for a two-tailed test of the correlation coefficient at the 5% significance level is 2.3060.

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