i. The basic question in testing the significance of rho is to see if there is zero correlation in the
Population from which the sample was selected.
ii. A t test is used to test the significance of the coefficient of correlation.
iii. Suppose a sample of 15 homes recently sold in your area is obtained. The correlation between
The area of the home, in square feet, and the selling price is 0.40. We want to test the hypothesis
That the correlation in the population is zero versus the alternate that it is greater than zero. You
Determine that the rejection region should fall in the lower tail if this is a one-tailed test and we use
A 0) 01 significance level.
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.
Correct Answer:
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A)
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