8 Using quarterly data of the past 5 years the following values were calculated. LinearTrend, T₁ = 7.961 +0.03t and seasonal indices,QuartersQ1Q2Q3Q4Seasonal Indices125.6399.0095.8179.56Generate the forecast values for the last two (2) quarters of year 6.

HERE given trend equation Tt = 7.961 + 0.03 t

Answered: Generate the forecast values for the…

Trigonometry (MindTap Course List)

8th Edition

ISBN:9781305652224

Author:Charles P. McKeague, Mark D. Turner

Publisher:Charles P. McKeague, Mark D. Turner

Chapter4: Graphing And Inverse Functions

Section: Chapter Questions

Problem 1GP

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What do the Forecast for each year add up to?
When the moving average method is used to estimate the seasonal factors with quarterly sales data, a ______ period moving average is used.
John Kittle, an independent insurance agent, uses a five-year moving average to forecast the number of claims made in a single year for one of the large insurance companies he sells for. He has just discovered that a clerk in his employ incorrectly entered the number of claims made four years ago as 1,400 when it should have been 1,200.a. What adjustment should Mr. Kittle make in next year’s forecast to take into account the corrected value of the number of claims four years ago?b. Suppose that Mr. Kittle used simple exponential smoothing with a = .2instead of moving averages to determine his forecast. What adjustment is now required in next year’s forecast? (Note that you do not need to know the value of the forecast for next year in order to solve this problem.)
Limpopo company has recorded quarterly maize sales and seasonal ratios from 2015 to 2017 financial year. Table 1 shows quarterly maize production sales with their seasonal ratios (SR). Table 1: Seasonal ratios for maize production sales. Year 2015 2016 Quarter Sales SR Q₁, Q₂, Q3, Q Q₁ ₂ 8, 12, 12, 10 Q₂, Q3, 10, 15, 14, 10 111.63, 87.87 83.33,122.45, 115.42, 84.18 Q4 Use Table 1 to calculate: a) the median seasonal indices (S) and their totals (S). b) the adjusted factor. c) the adjusted seasonal indices (S) and their totals (S.). Q₁ 9 Q₂ 14 2017 " Q3, Q₁ 14, 12 76.60 ,116.67, 113.09, 94.12
Find the average seasonal index for Quarter 2. Seasonality for the four quarterly periods is given in the table below. Quarter Seasonal Factor 2019 Seasonal Factor 2020 Seasonal Factor 2021 Quarter #1 1.20 1.17 Quarter #2 1.47 1.23 0.72 Quarter #3 0.57 0.89 1.22 Quarter #4 0.79 Submit Answer format: Number. Round to: 2 decimal places.
Plot the sales revenue figures and appropriate trend line on a graph and identify from this the choice of model for working out the seasonal component. Using the appropriate seasonal model, complete the calculations that are required to produce the required forecasts for quarters 1, 2, 3 and 4 of 2021. On the basis of your analysis explain the recommendation that you would make to ALAW Ltd regarding its future plans.
The following data report total, monthly U.S. gasoline sales in millions of dollars from January 2017 toDecember 2018. (To find the data, go to the site https://www.census.gov/retail/index.html#mrts, find“Monthly Retail Trade Report,” then select “Time Series/Trend Charts.”)Year Month Sales ($ millions)2017 Jan $35,6302017 Feb 33,9722017 Mar 38,6222017 Apr 38,9732017 May 40,7392017 Jun 40,0092017 Jul 39,7972017 Aug 41,2172017 Sep 41,3462017 Oct 41,7172017 Nov 40,1862017 Dec 40,0462018 Jan 39,2232018 Feb 37,3772018 Mar 42,6482018 Apr 43,1092018 May 48,0492018 Jun 47,5462018 Jul…
The population of Ada County, Idaho has been steadily increasing for more than 20 years. The table below shows the population (people) from 2015 through 2019 in Ada County. year 2015 2016 2017 2018 2019 population 432,862 444,486 456,548 468,764 481,587 a. What is the average rate of change in the population of Ada County from 2015 to 2018? Round to the nearest whole person and include units. b. What is the average rate of change in the population of Ada County from 2016 to 2018? Round to the nearest whole person and include units. c. What is the average rate of change in the population of Ada County from 2017 to 2018? Round to the nearest whole person and include units. d. What is the average rate of change in the population of Ada County from 2018 to 2019? Round to the nearest whole person and include units. e. Give a good approximation for the rate at which the population of Ada County is growing by the end of 2018? Round to the nearest whole person and include units.
Calculate the 60th percentile of the data shown 2.7 7.3 9.6 10.1 12.1 21
what z value correlates to 98.96% under the curve
Q1. The number of products newly listed with SHOPEE in each quarter over the last four years is given. Calculate the seasonal index values. Year Quarter 1 2 3 4 1 73 81 76 77 2 89 87 85 92 3 123 115 108 131 4 92 93 87 101
Which of the following is not a good interpretation of a seasonal index of 1.26 for fall quarter sales? O a. Fall quarter sales are 26 perbent higher than the annual average. O b. Fall quarter sales represents 1.26 times the annual average. O c. Fall quarter sales represents an increase of 26 percent over last year's annual average. O d. Fall quarter sales average 126 percent of annual sales.

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