Multiple Choice
i. If the coefficient of correlation is 0.70, what is the coefficient of determination? ii. If the value of r is -0.88, what does this indicate about the dependent variable as the independent variable increases?
iii. If the correlation between sales and advertising is -0.7, what percent of the variation in sales can be attributed to advertising?
A) 0.49; it decreases; 0.49.
B) 0.49; it decreases;0.7.
C) 0.49; it increases;0.49.
D) 0.8367; it decreases;0.7.
E) 0.8367; it increases;0.8367.
Correct Answer:
Verified
Correct Answer:
Verified
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