Multiple Choice
A set of n = 15 pairs of scores (X and Y values) produces a correlation of r = 0.40.If each of the X values is multiplied by 2 and the correlation is computed for the new scores,what value will be obtained for the new correlation?
A) r = 0.20
B) r = 0.40
C) r = 0.80
D) Cannot be determined without knowing all the X and Y scores
Correct Answer:

Verified
Correct Answer:
Verified
Q16: Assuming that other factors are constant,a correlation
Q48: The line produced by the equation Y
Q50: An analysis of regression is used to
Q57: If other factors are held constant and
Q58: For which of the following Pearson correlations
Q60: Suppose that there is a correlation of
Q64: For a regression equation with a slope
Q65: The value obtained for the sum of
Q66: A researcher measures driving distance from college
Q67: If the value of the Pearson correlation