Exam 13: Multiple Regression Analysis

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A cost accountant is developing a regression model to predict the total cost of producing a batch of printed circuit boards as a linear function of batch size (the number of boards produced in one lot or batch), production plant (Kingsland, and Yorktown), and production shift (day, and evening).In this model, "shift" is ______.

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The following ANOVA table is from a multiple regression analysis. Source F p Repression 3 1500 Error 26 Total 2300 The MSR value is __________.

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A multiple regression analysis produced the following tables. Predictor Coefficients Stardard Error Statistic p -value Irtercept -139.609 2548.989 -0.05477 0.957154 24.24619 22.25267 1.089586 32.10171 17.44559 1.840105 0.08869 Source SS MS F p -value Repression 2 302689 151344.5 1.705942 0.219838 Residual 13 1153309 88716.07 Total 15 1455998 The sample size for this analysis is ____________.

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The following ANOVA table is from a multiple regression analysis with n = 35 and four independent variables. Source F p Repression 700 Error Total 1000 The value of the standard error of the estimate se is __________.

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A real estate appraiser is developing a regression model to predict the market value of single-family residential houses as a function of heated area, number of bedrooms, number of bathrooms, age of the house, and central heating (yes, no).The response variable in this model is _______.

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The model y = β\beta 0 + β\beta 1x1 + β\beta 2x2 + β\beta 3x3 + ε\varepsilon is a first-order regression model.

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The model y = β\beta 0 + β\beta 1x1 + β\beta 2x2 + ε\varepsilon is a second-order regression model.

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A multiple regression analysis produced the following tables. Predictor Coefficients Stardard Error Statistic p -value Irtercept -139.609 2548.989 -0.05477 0.957154 24.24619 22.25267 1.089586 32.10171 17.44559 1.840105 0.08869 Source SS MS F p -value Repression 2 302689 151344.5 1.705942 0.219838 Residual 13 1153309 88716.07 Total 15 1455998 Using α\alpha = 0.01 to test the null hypothesis H0: β\beta 2 = 0, the critical t value is ____.

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A multiple regression analysis produced the following tables. Predictor Coefficients Stardard Error Statistic p -value Irtercept -139.609 2548.989 -0.05477 0.957154 24.24619 22.25267 1.089586 32.10171 17.44559 1.840105 0.08869 Source SS MS F p -value Repression 2 302689 151344.5 1.705942 0.219838 Residual 13 1153309 88716.07 Total 15 1455998 For x1= 40 and x2 = 90, the predicted value of y is ____________.

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The multiple regression formulas used to estimate the regression coefficients are designed to ________________.

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A multiple regression analysis produced the following tables. Predictor Coefficients Stardard Error t Statistic p -value Irtercept 624.5369 78.49712 7.956176 6.88E-06 8.569122 1.652255 5.186319 4.736515 0.699194 6.774248 Source SS MS F p -value Repression 2 1660914 58.31956 1.4-06 Residual 11 156637.5 14239.77 Total 13 1817552 These results indicate that ____________.

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A cost accountant is developing a regression model to predict the total cost of producing a batch of printed circuit boards as a linear function of batch size (the number of boards produced in one lot or batch), production plant (Kingsland, and Yorktown), and production shift (day, and evening).The response variable in this model is ______.

(Multiple Choice)
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A multiple regression analysis produced the following tables.  A multiple regression analysis produced the following tables.   Using  \alpha  = 0.05 to test the null hypothesis H<sub>0</sub>:  \beta <sub>2</sub> = 0, the correct decision is ____. Using α\alpha = 0.05 to test the null hypothesis H0: β\beta 2 = 0, the correct decision is ____.

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The standard error of the estimate of a multiple regression model is essentially the standard deviation of the residuals for the regression model.

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A human resources analyst is developing a regression model to predict electricity plant manager compensation as a function of production capacity of the plant, number of employees at the plant, and plant technology (coal, oil, and nuclear).The "plant technology" variable in this model is ______.

(Multiple Choice)
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A multiple regression analysis produced the following tables. Predictor Coefficients Stardard Error Statistic p -value Irtercept -139.609 2548.989 -0.05477 0.957154 24.24619 22.25267 1.089586 32.10171 17.44559 1.840105 0.08869 Source SS MS F p -value Repression 2 302689 151344.5 1.705942 0.219838 Residual 13 1153309 88716.07 Total 15 1455998 Using α\alpha = 0.01 to test the null hypothesis H0: β\beta 1 = β\beta 2 = 0, the critical F value is ____.

(Multiple Choice)
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A multiple regression analysis produced the following tables. Predictor Coefficierts Stardard Error -value Irntercept 752.0833 11.87375 5.32047 1.908183 Source SS MS F p -value Regression 2 203693.3 101846.7 6.745406 0.010884 Residual 12 181184.1 15098.67 Total 14 384877.4 Using α\alpha = 0.05 to test the null hypothesis H0: β\beta 1 = β\beta 2 = 0, the critical F value is ____.

(Multiple Choice)
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The following ANOVA table is from a multiple regression analysis with n = 35 and four independent variables. Source F p Repression 700 Error Total 1000 The number of degrees of freedom for this regression is __________.

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A human resources analyst is developing a regression model to predict electricity plant manager compensation as a function of production capacity of the plant, number of employees at the plant, and plant technology (coal, oil, and nuclear).The "number of employees at the plant" variable in this model is ______.

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The mean square error (MSerr)is calculated by dividing the sum of squares error (SSerr)by the number of degrees of freedom in the error (dferr).

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