i. A t test is used to test the signiﬁcance of the coeﬃcient of correlation.
ii. When testing the strength of the relationship between two variables, the alternate hypothesis is:
H0: ρ 0.
iii. Perfect correlation means that the scatter diagram will appear as a straight line
A) (i), (ii), and (iii) are all correct statements.
B) (i) and (ii) are correct statements but not (iii).
C) (i) and (iii) are correct statements but not (ii).
D) (ii) and (iii) are correct statements but not (i).
E) (i), (ii), and (iii) are all false statements.

Question

i. A t test is used to test the signiﬁcance of the coeﬃcient of correlation.
ii. When testing the strength of the relationship between two variables, the alternate hypothesis is:
H0: ρ > 0.
iii. Perfect correlation means that the scatter diagram will appear as a straight line
A) (i), (ii), and (iii) are all correct statements.
B) (i) and (ii) are correct statements but not (iii).
C) (i) and (iii) are correct statements but not (ii).
D) (ii) and (iii) are correct statements but not (i).
E) (i), (ii), and (iii) are all false statements.

Quizplus · Accepted Answer

(i) and (iii) are correct statements but (ii).

I a T Test Is Used to Test the Signiﬁcance