Lenovo uses the ZX-81 chip in some of its laptop computers. The prices for the chip during the last 4 months were as follows:

Month	Price Per Chip
January	$1.80
February	$1.67
March	$1.70
April	$1.85

This exercise contains only parts a, b, and c.

Part 2

a) Using a 2-month moving average, calculate the forecast for March and April (round your responses to two decimal

places).

Month	Mar	Apr
Forecast	$1.731.73	$1.691.69

Part 3

b) Using a 3-month moving average, calculate the forecast for April.

The forecast for April is:

(round your response to two decimal

places).

Part 4

c) Calculate the mean absolute deviation based on a 2-month average.

The mean absolute deviation based on 2-month moving average of March through April is:

(round your response to three decimal

places).

Part 5

Calculate the mean absolute deviation based on a 3-month average.

The mean absolute deviation based on a 3-month moving average of April is :

(round your response to three decimal

places).