Question: in excel with shown work. formulas needed ng average. ... 4.9 Lenovo uses the ZX-81 chip in some of its laptop computers. The prices for

in excel with shown work. formulas needed ng
in excel with shown work. formulas needed ng
in excel with shown work. formulas needed
ng average. ... 4.9 Lenovo uses the ZX-81 chip in some of its laptop computers. The prices for the chip during the past 12 months were as follows: PRICE PER MONTH CHIP MONTH PRICE PER CHIP January February March April May June $1.80 1.67 1.70 1.85 1.90 1.87 July August September October November December 1.80 1.83 1.70 1.65 1.70 1.75 a) Use a 2-month moving average on all the data and plot the averages and the prices. b) Use a 3-month moving average and add the 3-month plot to the graph created in part (a). c) Which is better (using the mean absolute deviation): the 2-month average or the 3-month average? d) Compute the forecasts for each month using exponential smoothing, with an initial forecast for January of $1.80. Use a = .1, then a = .3, and finally a = .5. Using MAD, which a is the best? PX

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock blur-text-image
Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock
Step: 3 Unlock

Students Have Also Explored These Related General Management Questions!