The following city data shows average temperature (degrees Fahrenheit) and the rate of serious crime (felonies per 10,000 populations) for a sample of five months during the past year.

a. Compute the covariance for temperature and crime rate.
b. Compute the correlation coefficient for temperature and crime rate.
c. Do the data show a high degree of association between temperature and crime rate? Explain.
d. Do the data indicate that increased temperatures cause higher crime rates? Explain.

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Month Jan March May Temp 38 45 Crime Rate 100 140 160 220 180 78 Sept 60