As a measure of productivity Verizon Wireless records the number
As a measure of productivity, Verizon Wireless records the number of customers each of its retail employees activates weekly. An activation is defined as either a new customer signing a cell phone contract or an existing customer renewing a contract. The following table shows the number of weekly activations for eight randomly selected employees along with their job satisfaction levels rated on a scale of 110 (10 = most satisfied). This data can also be found in the Excel file Verizon satisfaction.xlsx.
a. Calculate the sample covariance.
b. Calculate the sample correlation coefficient.
c. Describe the relationship between x and y.
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