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: Price Per Chip Price Per Chip Month Month $1.80 July August September $1.80 January $1.67 $1.83 February March $1.70 $1.70 April May $1.85 $1.65 October $1.90 $1.70 November $1.87 December $1.75 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 Mar Apr May Jun Jul Aug Sep Oct Nov Dec $1.74 Forecast 1.69 1.78 1.88 1.89 1.84 1.82 1.77 b) Using a 3-month moving average, the forecast for periods 11 and 12 is (round your responses to two decimal places): Month Apr May Jun Jul Aug Sep Oct Nov Dec $1.72 Forecast 1.74 1.82 1.87 1.86 1.83 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 $ (round your response to three decimal places).
