The Western City Wishes to See If There Is a Relationship

Multiple Choice

The western city wishes to see if there is a relationship between the summer temperature and the amount
of electricity used (in kilowatts) .
-A correlation coefficient computed for n = 18 and is r = 0.692.Using the t -test for the correlation coefficient, what are the critical values?

A) +2.120
B) +2.101
C) +1.734
D) +1.746