D 10/13/2020 Assignment 3: Chapter 4 Forecast 5. Lenovo uses the ZX-81 chip in some of its laptop computers. The prices for the chip during the last 12 months were as follows: Month January February March Price Per Chip $1.80 $1.61 $1.60 $1.85 $1.90 $1.95 Month July August September October November December Price Per Chip $1.80 $1.85 $1.70 $1.60 $1.60 $1.75 April May June This exercise contains only parts a, b, and c. a) Using a 2-month moving average, the forecast for periods 11 and 12 is (round your responses to two decimal places): Month Forecast Jun Jul Mar $1.71 Apr 1.61 May 1.73 Oct Nov Aug 1.88 Dec 1.88 1.93 Sep 1.83 1.78 b) Using a 3-month moving average, the forecast for periods 11 and 12 is (round your responses to two decimal places): Month Forecast Apr Jun May 1.69 Nov Jul 1.90 Aug 1.88 Dec $1.67 Sep 1.87 Oct 1.78 1.78 c) The mean absolute deviation based on a 2-month moving average of March through December is $ (round your response to three decimal places). The mean absolute deviation based on a 3-month moving average of April through December is $ your response to three decimal places) (round 6. Following are two weekly forecasts made by two different methods for the number of gallons of gasoline, in thousands