Quarter.201820192020166738521061191303140165205Using the same data in table48291100a) Use the technique of least squares method, find the trend lineb) Find the trend valuesc) Forecast the sales for 2021 second quarter.d) Plot the time series data and trend line.

From the question data, I have prepared the data table, the column labels are quarter, year, period,…

Answered: a) Use the technique of least squares…

Practical Management Science

6th Edition

ISBN:9781337406659

Author:WINSTON, Wayne L.

Publisher:WINSTON, Wayne L.

Chapter2: Introduction To Spreadsheet Modeling

Section: Chapter Questions

Problem 20P: Julie James is opening a lemonade stand. She believes the fixed cost per week of running the stand...

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Please show work in excel Sales for the past 12 months at Schumacher & Company’s U.S. Retail Division are given below. a) Use a three-month moving average to forecast sales for the months April through December. b) Use the exponential smoothing method to forecast sales for the months of February through December. Use alpha = 0.6, and assume that the forecast for January was 47. c) Compare the performance of these two methods for the months of April through December using the mean squared error (MSE) as the performance criterion. Which method would you recommend? MONTH SALES Jan 52 Feb 60 Mar 54 Apr 36 May 40 Jun 47 Jul 25 Aug 27 Sep 25 Oct 36 Nov 32 Dec 28
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What is Use a naive method to make a forecast?
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Historical sales data is shown below. Week Actual Forecast 1 328 300 2 272 3 245 4 223 5 205 6 Using alpha (α) = 0.2, what is the exponential smoothing forecast for period 6? Note: Round your answer to 2 decimal places. Note:- Do not provide handwritten solution. Maintain accuracy and quality in your answer. Take care of plagiarism. Answer completely. You will get up vote for sure.
1. Answer the following: •What is the past sales data analysis for Shopee? Create the monthly sales trends to review sales data from the past three years to spot seasonal patterns and predict future sales for specific months, and the year-over-year growth to compare sales from the same month in different years to estimate growth rates. •What is Shopee's seasonal and event-based forecasting? Provide the prediction sales of Shopee based on performance during previous seasonal events and major sales campaigns (e.g., holiday season sales).

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a) Use the technique of least squares method, find the trend line b) Find the trend values c) Forecast the sales for 2021 second quarter.