 # Group mean square error 1335 range 7754 root mean

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group --------MeanSquareError13.35Range77.54Root MeanSquareError3.65MethodStatisticsValueMethodSelectedMultipleRegressionConsider Regression #2 immediately above. You should use the rule of thumb taught in class toanswer this question. In order to create the approximate 95% confidence interval for an estimateof demand,A)19.27 must be added to and subtracted from the point estimate.B)two times 3.70 must be added to and subtracted from the point estimate.C)3.70 must be added to and subtracted from the point estimate.D)two times 19.27 must be added to and subtracted from the point estimate.E)None of the options are correct statements of how to construct the approximate 95%confidence interval.
29)The F-statistic in the multiple regression model
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group --------30)Domestic Car SalesConsider the following multiple regression model of domestic carsales (DCS) where:DCS = domestic car salesDCSP = domestic car sales price (in dollars)PR =prime rate as a percent (i.e., 10% would be entered as 10)Q2 = quarter 2 dummy variableQ3 =quarter 3 dummy variableQ4 = quarter 4 dummy variableMultiple Regression— Result FormulaDCS = 3,266.66 + ((DCSP) × −0.098297) + ((PR) × −21.17)+ ((Q2) × 292.88) + ((Q3) × 149.07) + ((Q4) × −60.25)AuditTrail —ANOVATable(MultipleRegressionSelected)Source ofvariationSSdfMSSEERegression1,834,180.235366,836.05Error494,506.473414,544.31120.60Total2,328,686.7039AuditTrail —CoefficieVersion 132
group --------nt Table(MultipleRegressionSelected)SeriesDescriptionIncluded inModelCoefficientStandard ErrorT-testP-valueF-testElasticityOverallF-testDCSDependent3,266.66288.1011.34 0.00128.5625.22DCSPYes−0.100.01−7.18 0.0051.50 −0.76PRYes−21.1713.77−1.54 0.132.36−0.11Q2Yes292.8854.025.420.0029.39 0.04Q3Yes149.0754.112.760.017.590.02Q4Yes−60.2554.22−1.11 0.271.23−0.01AuditTrail -StatisticsAccuracyMeasuresValueForecastStatisticsValueAIC492.41DurbinWatson1.62BIC494.10Mean1,802.86MeanAbsolutePercentage Error(MAPE)5.30%StandardDeviation244.36R-Square 78.76%Max2,272.60AdjustedR-Square75.64%Min1,421.30RootMeanSquare111.19Range851.30Version 133
group --------Error

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