Question

                                                                                                                 

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 ​$1.801.80 February ​$1.671.67 March ​$1.701.70 April ​$1.851.85 This exercise contains only parts​ a, b, and c. ​a) Using a​ 2-month moving​ average, calculate the forecast for March and April ​(round your responses to two decimal ​places). Month Mar Apr Forecast ​$nothing ​$nothing

​a) Using a​ 2-year moving​ average, the forecast for year 6​ =

37503750

miles ​(round your response to the nearest whole​ number).

​b) If a​ 2-year moving average is used to make the​ forecast, the MAD based on this​ =

100100

miles

​(round

your response to a whole

number​).

​ (Hint: You will have only 3 years of matched​ data.)

​c) The forecast for year 6 using a weighted​ 2-year moving average with weights of

0.400.40

and

0.6000.600

​(the weight of

0.6000.600

is for the most recent​ period) =

37403740

miles​ (round your response to the nearest whole​ number).

The MAD for the forecast developed using a weighted​ 2-year moving average with weights of

0.400.40

and

0.6000.600

​=  

140140

miles

​(round

your response to a whole

number​).

​(Hint: You will have only 3 years of matched​ data.)  

​d) Using exponential smoothing with

alphaα

​=

0.500.50

and the forecast for year 1 being

3 comma 0003,000​,

the forecast for year 6​ =

nothing

miles ​(round your response to the nearest whole​ number).

Answer 1

Answer 1: Lenovo ZX-81 chip

Year	Sales, At	Forecast: 2-period moving average
January	1.80
February	1.67
March	1.70	1.74
April	1.85	1.69

Explanation:

• Forecast of a period with 2 periods moving average = average of last 2 periods demand

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