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EXAMINE THE TIME SERIES PROVIDED IN EXCEL #1A-C TO IDENTIFY

EXAMINE THE TIME SERIES PROVIDED IN EXCEL #1A-C TO IDENTIFY

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Author: Christine Farr
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Examine the time series provided in Excel #1a-c to identify the components present(trend, cyclical, seasonal, and/or irregular), with an indication of whether the componentseems strong, moderate, or weak. Provide a brief explanation to support yourconclusions.Type your answer hereQuestion 2Explain and contrast the four measures of forecast accuracy.Type your answer hereQuestion 3The average SAT verbal score for students from one high school over the last ten examsis 508, 490, 502, 505, 493, 506, 492, 490, 503, 501Do the scores support an increasing or a decreasing trend? Explain.Type your answer hereQuestion 4The number of properties newly listed with a real estate agency in each quarter over thelast four years is given below. Assume the time series has seasonality without trend.YearQuarte1r234173 81 76 77289 87 91 883123 115492 95 87 97101208a.Develop the estimated regression equation that minimize the sum of squared error(highest R^2).b.Evaluate the accuracy of that estimated regression equation against known data.c.Forecast the four quarters of Year 5.

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