Question

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 April May June Price Per Chip $1.90 $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 $1.55 $1.50 $1.75 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 Jun Jul Sep Oct Noy Dec May 1.73 Aug 1.88 Forecast $1.76 1.61 1.88 1.93 1.83 1.78 1.63 1.53 b) Using a 3-month moving average, the forecast for periods 11 and 12 is (round your responses to two decimal places): Month Apr Jun Jul Aug Sep Oct Nov Dec May 1.69 Forecast $1.70 1.78 1.90 1.88 1.87 1.78