Customers who made online purchases from an Internet retailer were randomly sampled from the retailer’s database. The dollar value of each customer’s purchases along with the time the customer spent...

Customers who made online purchases from an Internet retailer were randomly sampled from the retailer’s database. The dollar value of each customer’s purchases along with the time the customer spent shopping in the company’s online catalog that was recorded. The sample results are contained in the file Online.

(a) Create a scatter plot of the variables Time
 and Purchases. What relationship, if any, appears to exist between the two variables? Answer: A very strong positive correlation between online purchases and time spent shopping online.