Multiple Choice
If we are interested in determining whether two variables are linearly related, it is necessary to:
A) perform the t -test of the slope b 1.
B) perform the t -test of the coefficient of correlation r .
C) either a or b since they are identical.
D) None of these choices.
Correct Answer:

Verified
Correct Answer:
Verified
Q26: Cost of Textbooks The editor of a
Q27: Trivia Games & Education An ardent fan
Q28: A regression analysis between sales (in $1000)and
Q30: Oil Quality and Price Quality of oil
Q31: Accidents and Rain A statistician investigating the
Q32: When the actual values y of a
Q34: Sunshine and Melanoma A medical researcher wanted
Q71: Testing whether the slope of the population
Q223: The width of the confidence interval estimate
Q252: If the coefficient of correlation is −0.80,then