Calculate mean absolute deviation

Assignment Help Other Subject
Reference no: EM131235424

Assignment

Q1. The monthly sales for Telco Batteries, Inc., were as shown in the excel sheet. Please use 4-month weighted moving average method to forecast the demands from month 5 to month 19. The weight associated to last month's sales is 40%; the weight associated to the sales two months ago is 30%; the weight associated to the sales three months ago is 20%; the weight associated to the sales four months ago is 10%. Once you have the forecasted sales from month 5 to month 19, calculate the following measures of the forecast error.

a. Mean Absolute Deviation (MAD);

b. Mean Squared Error (MSE); and

c. Mean Absolute Percent Error (MAPE).

Q2. The AMC theatre in sunset plaza observes the daily tickets sales for the past four weeks. Please see the data in the excel sheet. The manager of the theatre has forecasted that next week's total ticket sale will be 2390. Based on this forecast and the seasonal index method, how many tickets will be sold on each day next week?

3. The excel file has a sheet that contains data for the past 30 weeks of sales for product X. Based on the data, answer the following questions

a. Plot the data. Just by looking at the plot (that is, without doing any calculation), do you think a 3-week simple moving average would be a better forecast, or a 6-week simple moving average? Just by looking at the plot, do you think an exponential smoothing with value of α = 0.2 would be better forecast or would α = 0.6 be better? Explain your reasoning. (Note: do the two comparisons separately; don't compare moving average with exponential smoothing)

b. Apply the four forecasts (3-week and 6-week simple moving average and exponential smoothing with value of α = 0.2 and α = 0.6), and plot the forecasted sales along with the actual sales you plotted in (a). For exponential smoothing, assume the forecast for the first week is 600.

c. For each of the above four forecasts, compute the MAD for forecasting before week 25. In addition, compute the MAD for the last five weeks. Compare those numbers to see if they confirm your answer to part (a).

4. Data on the bus and subway ridership for the summer months in London, England, have been recorded for the past 16 years. See excel file for the data sheet.

a. Please use trend projection method to forecast the ridership (how many) for the summer months in the year 17.

b. Now, the bus and subway ridership for the summer months is believed to be tied heavily to the number of tourists visiting the city. The excel data sheet also provides the data on the number of tourists. Please use linear regression model to forecast the ridership (how many) for the summer months in a year when the estimated number of tourists visiting is 18 millions.

Attachment:- Assignment.rar

Reference no: EM131235424

Questions Cloud

Hospitality institution to understand it target demographics : Would you agree that it is important for a hospitality institution to understand it's target demographics and market its' services towards that age group? As an example, if you were the manager of a hotel near Disney in Orlando,
How many benches should he plan to build per week : Assembly requires 10 minutes per bench, and painting requires 5 minutes per bench. Bill has one employee who makes the tops and ends. Bill will do the final assembly and painting. He also plans 1 hour per day for setup and teardown for each depart..
Readiness of customer to make a commitment : Describe probing questioning and explain how this leads to verifying the readiness of customer to make a commitment. Provide an example.
How discretionary benefits enhance the work life balance : Discuss companywide incentive plans, comparing and contrasting the two major types. In your opinion, is one better than the other? Discuss the five steps used to develop a pay structure and compare the two types of pay structure variations.
Calculate mean absolute deviation : The monthly sales for Telco Batteries, Inc., were as shown in the excel sheet. Please use 4-month weighted moving average method to forecast the demands from month 5 to month 19. calculate the following measures of the forecast error. a. Mean Absol..
How many ws should be produced in a week : If the rated capacity of the work center is 80 hours, how many Ws should be produced in a week?
Missed opportunities for innovation : Write a 250- to 325 -word paper in which you identify an organization (Kmart) that have missed opportunities for innovation and/ are on the verge of closing down because a more innovative competitor has overtaken the market.
Outline the logic that leads to the capm : Outline the logic that leads to the CAPM. What is mathematics? What is economics? -  What are the APT factors?
Research on international freight companies increased costs : Write a Research paper on International freight companies increased costs that are directly related to transportation of people, products and technological advances.

Reviews

Write a Review

 

Other Subject Questions & Answers

  Characterizing critical thinking

Describe three qualities that characterize critical thinking.

  Outcomes for evaluating their training programs

what are results outcomes? why do you think that most organizations don't use results outcomes for evaluating their training programs?

  Cellular respiration lab

Discuss why Tube 1a had the highest rate of reaction. Refer to the contents within the tube as well as the temperature of the tube compared with the other tubes?

  Explain historical development of police agencies

Explain the historical development of police agencies and their jurisdiction. Ensure to explain local, state, and federal law enforcement agencies under jurisdiction of the Department of Homeland Security.

  Intra-community territoriality

Territoriality of communities within communities often creates division and conflict. What is an example that reflects such intra-community territoriality?

  Coworkers to gather data to further your proposal

You must conduct primary research for your final project. This assignment helps you to begin your research which you will include in your final paper. For this assignment, you will create a questionnaire that you need to disburse to collect data t..

  Societal issues students face outside of the classroom

List three societal issues students face outside of the classroom. Describe the role that you think schools should play in teaching students values and strategies to help them overcome these challenges.

  Write a research paper on work union and labor trouble

Write a eight pages Research Paper on Work union and labor trouble. This paper is talk about How Social Institution change people's identity.

  Describe the context in which the behaviors occurred

Analyze precursors and consequences of the behaviors in terms of social psychology concepts. Identify any associated phenomenon with your selected behaviors, such as social facilitation, social loafing, or groupthink.

  Discuss how systolic blood pressure

At the same power output, discuss how systolic blood pressure will change from rest to aerobic exercise and how will it change from rest during resistance exercise?

  Are certain techniques more appropriate for children

In what situations do you think neuroimaging would be useful? Are certain techniques more appropriate for children? What are the limits and cautions regarding various imaging techniques specifically related to children and adolescents? Provide exa..

  Strengths and weaknesses of smdp

What do you consider the strengths and weaknesses of SMDP? What do you consider the strength and weakness of PR? Support your arguments with data from credible sources

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd