The weekly sales (in dollars) for a particular brand of ice cream for a chain of grocery stores located in Melbourne, Australia, follows. Week Sale ($) 1 200 2 325 3 121 4 630 500 Use a four-week...

Extracted text: The weekly sales (in dollars) for a particular brand of ice cream for a chain of grocery stores located in Melbourne, Australia, follows. Week Sale ($) 1 200 2 325 3 121 4 630 500 Use a four-week moving average to develop a forecast for week 6. Use exponential smoothing with a smoothing constant of a=0.7 to develop a forecast for week 6 Which of the two methods do you prefer and why? (