Question: The number of convertibles sold at a car dealership in a month and the average monthly temperature (in degree Fahrenheit) are given in the Table below :

A. Find the sample correlation coefficient r?

B. Determine whether there is a positive linear correlation, a negative linear correlation, or no correlation between the variables, and explain the results, noting particularly which variable is the dependent, and which the independent, one.

C. Is there enough evidence to conclude that there is a linear correlation between the number of convertibles sold and the average monthly temperature?

Use α = 0.05 and show your work.