htLO4 7. a. Develop a linear trend equation for the followingdata on demand for white bread loaves at a bakery(use of Excel's Trendline, with display equation onchart option, is recommended), and use it to forecastdemand on day 16.Day12345Loaves Day200621472118228923510Loaves232248250253267Day1112131415Loaves281275280288310b. The variations around the linear trend line seem tohave above- and below-the-line runs. Therefore, usetrend-adjusted exponential smoothing with a = 0.3and ß = 0.2 to model the bread demand. Use the firstfour days to estimate the initial smoothed series (usethe average of the first four days) and smoothed trend(use the increase from day 1 to day 4 divided by 3).Start forecasting day 5. What is the forecast forday 16?

Given the data asDayLoaves120022143211422852356232724882509253102671128112275132801428815310

Answered: 7. a. Develop a linear trend equation…

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.6: Summarizing Categorical Data

Problem 23PPS

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A pharmacist has been monitoring sales of a certain over-the-counter pain reliever. Daily sales duringthe last 15 days wereDay: 1 2 3 4 5 6 7 8 9Number sold: 36 38 42 44 48 49 50 49 52Day: 10 11 12 13 14 15Number sold: 48 52 55 54 56 57a. Which method would you suggest using to predict future sales—a linear trend equation or trendadjustedexponential smoothing? Why?b. If you learn that on some days the store ran out of the specific pain reliever, would that knowledgecause you any concern? Explain.c. Assume that the data refer to demand rather than sales. Using trend-adjusted smoothing with aninitial forecast of 50 for week 8, an initial trend estimate of 2, and .3, develop forecastsfor days 9 through 16. What is the MSE for the eight forecasts for which there are actual data?
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