3. Two car dealers (D, and D2) in Tallahassee sell sedans (S), Utility Vehicles (U) and trucks (T) withprofit margins of $300, $500, and $850 respectively. If the volume of sales in a particular day isgiven by the matrix A, below, determine the total profits of D1 and D2 for that day using matrixoperations:SU1000450600D1A =500800300D2

Answered: Image /qna-images/answer/7b513d11-4d84-47eb-9801-4fbd96f81c28.jpg

Answered: 3. Two car dealers (D, and D2) in…

College Algebra

10th Edition

ISBN:9781337282291

Author:Ron Larson

Publisher:Ron Larson

Chapter8: Sequences, Series,and Probability

Section: Chapter Questions

Problem 22CT

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2) A researcher theorizes that there is a linear relationship between the number of pets a person owns and their square footage of living space (measured in 1000 of square feet). Answer the questions below with the following data: (1.2,2), (1.1,1), (0.9,3), (1.5,3), (1.45,2), (1.1,2) Set up the matrix that are required to do the calculations: a. b. Calculate b C. Calculate r, R² and what does this tell us? d. Given the ANOVA table, with the test the fit of the model? (note a = 0.05) Source Df SS MS Model 2 28.1987 14.0994 Residual 4 2.8013 0.7003 Total 6 31 Build a 95% confidence interval for b₁ e.
Companies in the U.S. car rental market vary greatly in terms of the size of the fleet, the number of locations, and annual revenue. In 2011, Hertz had 320,000 cars in service and annual revenue of approximately $4.2 billion. Suppose the following data show the number of cars in service (1,000s) and the annual revenue ($ millions) for six smaller car rental companies. Cars Revenue Company (1,000s) ($ millions) Company A 11.5 116 Company B 10.0 137 Company C 9.0 102 Company D 5.5 39 Company E 4.2 40 Company F 3.3 34 (a) Develop a scatter diagram with the number of cars in service as the independent variable. 160- 140- 160 160 160 120 140- 140- 140 100 120 120- 120- 80 100 100- 100- 60 80 80 80 40 60 60 60 20 40 40 40 20 20 20 4 6 8 10 12 14 2 4 6 8 10 12 14 2 4 6 8 10 12 14 4 6 8 10 12 14 Cars in Service (1,000s) Cars in Service (1,000s) Cars in Service (1,000s) Cars in Service (1,000s) (b) What does the scatter diagram developed in part (a) indicate about the relationship between the…
Companies in the U.S. car rental market vary greatly in terms of the size of the fleet, the number of locations, and annual revenue. In 2011, Hertz had 320,000 cars in service and annual revenue of approximately $4.2 billion. Suppose the following data show the number of cars in service (1,000s) and the annual revenue ($ millions) for six smaller car rental companies. Cars Revenue Company (1,000s) ($ millions) Company A 11.5 118 Company B 10.0 137 Company C 9.0 102 Company D 5.5 39 Company E 4.2 40 Company F 3.3 32 (a) Develop a scatter diagram with the number of cars in service as the independent variable. 160T 160T 140 140 120 . 120 100- 100 80 80- 60 60 . 40 40 20 20- 4 6 8 10 Cars in Service (1,000) 0 6 8 10 0 4 6 8 10 12 14 Cars in Service (1,000) Cars in Service (1,000) (b) What does the scatter diagram developed in part (a) indicate about the relationship between the two variables? O There appears to be a negative linear relationship between cars in service (1,000s) and annual…
Companies in the U.S. car rental market vary greatly in terms of the size of the fleet, the number of locations, and annual revenue. In 2011, Hertz had 320,000 cars in service and annual revenue of approximately $4.2 billion. Suppose the following data show the number of cars in service (1,000s) and the annual revenue ($ millions) for six smaller car rental companies. Cars Revenue Company (1,000s) ($ millions) Company A 11.5 120 Company B 10.0 137 Company C 9.0 98 Company D 5.5 35 Сompany E 4.2 40 Company F 3.3 32 (a) Develop a scatter diagram with the number of cars in service as the independent variable. 合160, 140- 160 160, 160, 140- 120- 140 140- 120 120 120 100 100 100 100 80 80 80 80 60 60 60 60 ... 40- 20- 40 .. 40 ... 40 20- 20- 20- 6 10 12 2 6 8 10 12 2 6 10 12 2 14 4 14 4 14 6 8 10 12 14 Cars in Service (1,000s) Cars in Service (1,000s) Cars in Service (1,000s) Cars in Service (1,000s) (b) What does the scatter diagram developed in part (a) indicate about the relationship…
Companies in the U.S. car rental market vary greatly in terms of the size of the fleet, the number of locations, and annual revenue. In 2011, Hertz had 320,000 cars in service and annual revenue of approximately $4.2 billion. Suppose the following data show the number of cars in service (1,000s) and the annual revenue ($ millions) for six smaller car rental companies. Cars Revenue Company (1,000s) ($ millions) Company A 11.5 120 Company B 10.0 137 Company C 9.0 102 Company D 5.5 37 Company E 4.2 38 Company F 3.3 34 (a) Develop a scatter diagram with the number of cars in service as the independent variable. 160 T 2 160 160 T 160- 140 140 140- 140 120 120 120 120- 100 100 100- 100- 80 80 80 80- 60 60 60 60 ... 40 ... 40 40 ... 40 20 20 20 20 4 6. 8 10 12 14 6. 8 10 12 14 2 4 8 10 12 14 4 8 10 12 14 Cars in Service (1,000s) Cars in Service (1,000s) Cars in Service (1,000s) Cars in Service (1,000s) (b) What does the scatter diagram developed in part (a) indicate about the relationship…
Companies in the U.S. car rental market vary greatly in terms of the size of the fleet, the number of locations, and annual revenue. In 2011, Hertz had 320,000 cars in service and annual revenue of approximately $4.2 billion. Suppose the following data show the number of cars in service (1,000s) and the annual revenue ($ millions) for six smaller car rental companies. Cars Revenue Company (1,000s) ($ millions) Company A 11.5 120 Company B 10.0 137 Company C 9.0 102 Company D 5.5 39 Company E 4.2 40 Company F 3.3 30 (a) Develop a scatter diagram with the number of cars in service as the independent variable. 160 T 160- 1601 140 140 140 120- E 120- 120- 100 100 100- 80 80 80 CO 60 60 60 40 40 40 20 20 20- 6 8 10 12 14 4 6 8 10 12 14 Cars in Service (1,000s). ● 4 6 8 10 12 14 Cars in Service (1,000) 4 Cars in Service (1,000) Ⓡ 0 4 6 8 10 14 O Cars in Service (1,000) (b) What does the scatter diagram developed in part (a) indicate about the relationship between the two variables? O There…
Companies in the U.S. car rental market vary greatly in terms of the size of the fleet, the number of locations, and annual revenue. In 2011, Hertz had 320,000 cars in service and annual revenue of approximately $4.2 billion. Suppose the following data show the number of cars in service (1,000s) and the annual revenue ($ millions) for six smaller car rental companies. Cars Revenue Company (1,000s) ($ millions) Company A 11.5 120 Company B 10.0 133 Company C 9.0 102 Company D 5.5 37 Company E 4.2 42 Company F 3.3 34 (a) Develop a scatter diagram with the number of cars in service as the independent variable. 160T 160T 160 160- 140- 140 140 140 120 120 120 120- 100 100 100 100- 80 80 80 80 60 60 60 60 .. . 40 40 .. 40 40 20 20 20 20 4 6 8 10 12 14 2 4 8 10 12 14 2 4 6 8 10 12 14 2 4 6 8 10 12 14 Cars in Service (1,000s) Cars in Service (1,000s) Cars in Service (1,000s) Cars in Service (1,000s) (b) What does the scatter diagram developed in part (a) indicate about the relationship between…
Companies in the U.S. car rental market vary greatly in terms of the size of the fleet, the number of locations, and annual revenue. In 2011, Hertz had 320,000 cars in service and annual revenue of approximately $4.2 billion. Suppose the following data show the number of cars in service (1,000s) and the annual revenue ($ millions) for six smaller car rental companies. Company Cars (1,000s) Revenue ($ millions) Company A 11.5 116 Company B 10 137 Company C 9 102 Company D 5.5 39 Company E 4.2 38 Company F 3.3 30 (a) Develop a scatter diagram with the number of cars in service as the independent variable. (b) What does the scatter diagram developed in part (a) indicate about the relationship between the two variables? (c) Use the least squares method to develop the estimated regression equation that can be used to predict annual revenue (in $ millions) given the number of cars in service (in 1,000s). (Round your numerical values to three decimal…

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