For the following pairs of variables, indicate whether you would expect a positive correlation, a negative correlation, or close to 0 correlation.
Maximum daily temperature and cooling costs
Interest rates and number of loans
Incomes of husbands and wives in dual career families
Height and IQ
Height and shoe size
Score on the Math SAT and Verbal SAT scores
Time spent on video games and college GPA
Use of fertilizer and yield of crops
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