alba06h.ch11.32 Wrong alba06h/alba06h.ch11.32 Check My Work A company produces electric motors for use in home appliances. One of the company's production managers is interested in examining the relationship between the dollars spent per month in inspecting finished motor products (X) and the number of motors produced during that month that were returned by dissatisfied customers (Y). He has collected the data in the file P11_32.xlsx to explore this relationship for the past 36 months. a. Estimate a simple linear regression equation using the given data. If required, round your answers to three decimal places. For subtractive or negative numbers use a minus sign even if there is a + sign before the blank. (Example: -300) The predicted number of motors returned when the inspection expenditures is $0: 66 The predicted change in number of motors returned that is associated with an increase of $1,000 in inspection expenditures: b. Examine the residuals of the regression equation. Do you see evidence of any violations of the regression assumptions? No c. Conduct a Durbin-Watson test on the model's residuals. Interpret the result of this test. There is some evidence of positive autocorrelation, but it is not statistically significant. d. In light of your result in part c, do you recommend modifying the original regression model? Yes Hide Feedback Incorrect 67 Check My Work