TOPIC : REGRESSION
3. In each case state whether you expect the two variables x and y indicated to have positive,
negative, or zero correlation.
a. the number x of pages in a book and the age y of the author
b. the number x of pages in a book and the age y of the intended reader
c. the weight x of an automobile and the fuel economy y in miles per gallon
d. the weight x of an automobile and the reading y on its odometer
e. the amount x of a sedative a person took an hour ago and the time y it takes him to
respond to a stimulus
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