Question: Need assistance with solving the problem. A marketing manager is forecasting the sales of cars per week. Determine the error for each of the following

Need assistance with solving the problem.

A marketing manager is forecasting the sales of cars per week. Determine the error for each of the following forecasts. Then, calculate MAD and MSE.

Period Value Forecast Error

1 202

2 191 202

3 173 192

4 169 181

5 171 174

6 175 172

7 182 174

8 196 179

9 204 189

10 219 198

11 227 211

Answers

MAD =

MSE =

Show all your work for the questions below.

a. Show the errors you calculated to the above question:

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