# September 2023 Question1 According to the following graphic X and Y have Points 2 strong negative correlation virtually no correlation strong

2024 According To The Following Graphic, X And Y Have: Assignment Help

Question1 According to the following graphic X and Y have Points 2 strong negative correlation virtually no correlation strong 2023

Question1. According to the following graphic, X and Y have: (Points : 2) strong negative correlation virtually no correlation strong positive correlation moderate negative correlation weak negative correlation Question 2.2. A cost accountant is developing a regression model to predict the total cost of producing a batch of printed circuit boards as a function of batch size (the number of boards produced in one lot or batch). The independent variable is: (Points : 2) batch size unit variable cost fixed cost total cost total variable cost Question 3.3. 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). The intercept of this model is the: (Points : 2) batch size unit variable cost fixed cost total cost total variable cost Question 4.4. If x and y in a regression model are totally unrelated: (Points : 2) the correlation coefficient would be -1 the coefficient of determination would be 0 the coefficient of determination would be 1 the SSE would be 0 the MSE would be 0s Question 5.5. A manager wishes to predict the annual cost (y) of an automobile based on the number of miles (x) driven. The following model was developed: y = 1,550 + 0.36x. If a car is driven 10,000 miles, the predicted cost is: (Points : 2) 2090 3850 7400 6950 5150 Question 6.6. 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: (Points : 2) a response variable an independent variable a quantitative variable a dependent variable a constant Question 7.7. A multiple regression analysis produced the following tables: Predictor Coefficients Standard Error t Statistic p-value Intercept 616.6849 154.5534 3.990108 0.000947 x1 -3.33833 2.333548 -1.43058 0.170675 x2 1.780075 0.335605 5.30407 5.83E-05 Source df SS MS F p-value Regression 2 121783 60891.48 14.76117 0.000286 Residual 15 61876.68 4125.112 Total 17 183659.6 The regression equation for this analysis is: (Points : 2) y = 616.6849 + 3.33833 x 1 + 1.780075 x 2 y = 154.5535 – 1.43058 x 1 + 5.30407 x 2 y = 616.6849 – 3.33833 x 1 – 1.780075 x 2 y = 154.5535 + 2.333548 x 1 + 0.335605 x 2 y = 616.6849 – 3.33833 x 1 + 1.780075 x2 Question 8.8. A multiple regression analysis produced the following tables: Predictor Coefficients Standard Error t Statistic p-value Intercept 752.0833 336.3158 2.236241 0.042132 x1 11.87375 5.32047 2.031711 0.082493 x2 1.908183 0.662742 2.879226 0.01213 Source df 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 These results indicate that: (Points : 2) none of the predictor variables are significant at the 5% level each predictor variable is significant at the 5% level x 1 is the only predictor variable significant at the 5% level x 2 is the only predictor variable significant at the 5% level the intercept is not significant at the 5% level Question 9.9. 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: (Points : 2) heated area number of bedrooms market value central heating residential houses Question 10.10. In regression analysis, outliers may be identified by examining the: (Points : 2) coefficient of determination coefficient of correlation p-values for the partial coefficients residuals R-squared value

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