Homework:Forecasting

Question 4, Problem 4.9abc

Part 2 of 4

HW Score: 47.26%, 3.78 of 8 points

Points: 0 of 1

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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	Price Per Chip	Month	Price Per Chip
January	$1.90	July	$1.80
February	$1.61	August	$1.70
March	$1.60	September	$1.70
April	$1.85	October	$1.55
May	$1.91	November	$1.60
June	$1.95	December	$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	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Forecast	$1.76	1.61	1.73	1.88	1.93	1.88	1.75	1.70	1.631.63	1.581.58

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
Forecast	$1.70	1.69	1.79	1.90	1.89	1.82	1.73	nothing	nothing