How to calculate time series analysis ESTION 2:CALCUThe weekly sales figures (000 units) for a company are given below. Calculate theseasonal variation (000 units) for week 5 using a 3 period moving average to calculatethe trend. Enter your answer to one decimal place.week 1: 167week 2: 133week 3: 180week 4: 171week 5: 177week 6: 208Correct Answer: -8.3QUESTION 3: CALCULATED FORMULABrooks & Company are preforming time series analysis on their sales data for their mostpopular product. The average sales seasonal variation (000 units) for each quarter iscalculated as: Qtr I is 4, Qtr Il is -1, Qtr Ill is -1 and Qtr IV is 7.Calculate the adjusted average seasonal variation (000 units) for Qtr l. (Hint: you mustcalculate the adjustment first). Answer correct to one decimal place.Correct Answer: O1.8QUESTION 4:Page & Company has had the quarterly sales (000 units) given below for the last two years.Calculate a trend figure (in 000 units) for quarter IIl of year 1 using the appropriate movingCALCULATED FORMULAaverages. Enter your answer to nearest whole number.Sales data (000 units) year 1: Qtr I is 118, Qtr Il is 164, Qtr IIl is 68 and Qtr IV is 53Sales data (000 units) year 2: Qtr I is 200, Qtr Il is 232, Qtr IIl is 118 and Qtr IV is 86Correct Answer: 111QUESTION 5: CALCULATED FORMULAThe quarterly sales (in 000s units) for the past three years of a dune buggy have been analThe trends, average seasonal variations and adjusted average seasonal variations have becalculated. Some of the adjusted average seasonal variations (in 000s units) are:Quarter 1: 18.5 Quarter 2:-5.6 Quarter 3: -8.4The regression equation for the sales trend is given as Y = 85 +4.5X, where Y is the trendunits) and X represents the time periods, starting with X = 1 for Quarter I of the first of thyears.Use the adjusted average seasonal variation figures and the regression equation to forec:(to the nearest unit) for Quarter 1 of the fourth year.Correct Answer: 162,000

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The weekly sales figures (000 units) for a company are given below. Calculate the seasonal variation (000 units) for week 5 using a 3 period moving average to calculate the trend. Enter your answer to one decimal place. week 1: 167 week 2: 133 week 3: 180 week 4: 171 week 5: 177 week 6: 208 Correct Answer: -8.3

The weekly sales figures (000 units) for a company are given below. Calculate the seasonal variation (000 units) for week 5 using a 3 period moving average to calculate the trend. Enter your answer to one decimal place. week 1: 167 week 2: 133 week 3: 180 week 4: 171 week 5: 177 week 6: 208 Correct Answer: -8.3

Algebra & Trigonometry with Analytic Geometry

13th Edition

ISBN:9781133382119

Author:Swokowski

Publisher:Swokowski

Chapter7: Analytic Trigonometry

Section7.6: The Inverse Trigonometric Functions

Problem 94E

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