For each of the following pairs of variables, indicate whether you would expect a positive correlation, a negative correlation, or a correlation close to 0. Explain your choice.
a. Maximum daily temperature and cooling costs
b. Interest rate and number of loan applications
c. Incomes of husbands and wives when both have fulltime jobs
d. Height and IQ
e. Height and shoe size
f. Score on the math section of the SAT exam and score on the verbal section of the same test
g. Time spent on homework and time spent watching television during the same day by elementary school children
h. Amount of fertilizer used per acre and crop yield

  • CreatedSeptember 19, 2015
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