What is the forecast for this year using the naive approach? 

2. What is the forecast for this year using a three-period moving average? 

3. What is the forecast for this year using a three-period weighted moving average with weights of .5, .3, and .2? 

4. What is the forecast for this year using exponential smoothing with alpha = .4, if the forecast for TWO years ago was 644? 

5. What is the slope of the linear trend line for the data? 

6. What is the y intercept for the linear trend line for the data? 

7. What is the forecast for this year using the linear trend line for the data?

TIME PERIOD		DEMAND
5 years ago		800
4 years ago		650
3 years ago		500
2 years ago		440
Last year		350