A department store manager randomly sampled customers in her store. She recorded the number of minutes each customer spent in the store and then asked the customers how many miles they had traveled to get to the store from their home. These data are in a file called Shopping.
a. Create a scatter plot using time spent in the store as the dependent variable. Discuss what the plot shows.
b. Test to determine whether there is significant correlation between the two variables. Use an alpha = 0.05.