GB513-4: Evaluate real-world situations and present solutions using statistical methods.

PC-6.1: Incorporate data, inferences, and reasoning to solve problems.

This Assignment has two parts. Part 1 has questions about forecasting.

Forecasting

Question 1

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