Which of the following statements is correct? A. Changing the units of measureme

Question

Which of the following statements is correct?
A. Changing the units of measurements of x or y does not change thevalue of the correlation r.
B. A negative value for the correlation r indicates the data arestrongly unassociated.
C. The correlation always has the same units as the x variable, butnot the y variable.
D. The correlation always has the same units as the y variable, butnot the x variable.

Also if time here's another multiple choice question:
A study found a correlation of r=-.61 between the gender of aworker and his or her income. You may correctly conclude:
A. Women earn more than men on average
B. Women earn less than men on average
C. An arithmetic mistake was made. Correlation must bepositive.
D. This is incorrect because r makes no sense here.

Explanation / Answer

A.changing the units of measurements of x and y does notchange the value of correlation of r D. this is incorrect because r makes no sense here

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