The following data represent the daily demand (y in thousands of units) and the unit price (x in dollars) for a product.
Daily Demand (y) Unit Price (x)
47 1
39 3
35 5
44 3
34 6
20 8
15 16
30 6
a. Compute and interpret the sample covariance for the above data.
b. Compute and interpret the sample correlation coefficient.