Question Three Regression Analysis

Tour Jamaica is trying to ascertain the relationship between the hours of customer service training and the amount spent for customer claims. The following data was provided

MONTH Hours of Training Amount Paid

August 20 30

September 22 25

October 24 20

November 26 15

December 28 10

Required

a. Using a regression analysis model, determine the total cost formula.

b. Calculate the correlation coefficient ( r ). Explain the relationship between the amount spent on customer service training and the number of complaints. What have you noticed between the value of the variable cost and the value of the correlation coefficient?

c. Calculate the expected amount to be paid if the company plans to provide 25 hour of training in January