Alexis3456829
01.02.2021 •
Business
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 $1.80 July 1.80
February 1.67 August 1.83
March 1.70 September 1.70
April 1.85 October 1.65
May 1.90 November 1.70
June 1.87 December 1.75
a. Use a 2-month moving average on all the data and plot the averages and the prices.
b. Use a three-month moving average and add the three-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 α=0.1, then α=0.3, and finally α=0.5. Using MAD, which α is the best?
Solved
Show answers
More tips
- G Goods and services How to Choose the Right High Chair for Your Baby?...
- S Style and Beauty Learn how to tie a keffiyeh on your head like a pro...
- S Style and Beauty How to braid friendship bracelets?...
- F Food and Cooking Delight for Gourmets: How to Prepare Liver Pate...
- C Computers and Internet How to Learn to Type Fast?...
- H Health and Medicine Angina: Causes, Symptoms, and Treatment...
- D Dating, Love, Relationships How to Overcome Jealousy: Tips and Tricks...
- H Health and Medicine 10 Ways to Cleanse Your Colon and Improve Your Health...
- W Work and Career How to Start Your Own Business: Tips and Recommendations...
- F Food and Cooking How to Make Delicious Cabbage Pies: The Best Recipes!...
Answers on questions: Business
- B Business Due to the tilt of the Earth s axis, A. daylight in North America lasts longer in December than in July. B. the Eastern and Western Hemispheres have opposite seasons. C. the North...
- B Business Sales revenue was $57,102, Accounts receivable increased by 17,516. What was the cash collected from customers...
- B Business How is the U.S. path-goal theory of leadership both similar and different from the Japanese performance-maintenance theory of leadership...
- B Business Assume a tax deductible loss of $33,634; and a pre-tax cash flow of ($8,634). If the investor is in the 28% tax bracket, what would the after-tax cash flow of this investment be...
- B Business An acquaintance from your medical school class contacts you. She says due to a series of mistakes and error by the Medical Board, she is not yet licensed in Texas, but still has her...
- B Business Derive the steady-state levels of output per worker and capital per worker in terms of the saving rate, s, and the depreciation rate...
- B Business Phil, a management trainer at Flint Inc., designs a training program that focuses on capturing insights and information from knowledgeable employees. Through this program, Phil is...
- B Business MaryAnne is always late to meetings and she knows she needs to be better about being on time because it is expected by almost everyone living in the United States. This attitude toward...
- B Business Why might one doubt that current forms of digital money, such as Bitcoin, will replace more traditional fiat currencies? The private digital currencies currently do not fulfill the...
- B Business Your friend says most credit cards charge people the same interest rate so it doesn’t make sense to shop around. Do you agree with him? Why or why not?...
Ответ:
A and B
Explanation:
I took the test