The purpose of this assignment is to apply simple regression techniques to find factors that determine the car values. AS Instructions: 1. Open the dataset of FamilySedans (attached) and read the case entitled “Finding the Best Car Value” in its entirety at the end of Chapter 14. 2. Use descriptive statistics to summarize the data and make comments on them. 3. Use regression analysis to develop an estimated regression equation that could be used to predict the value score given the price of the car. 4. Use regression analysis to develop an estimated regression equation that could be used to predict the value score given the five-year owner costs. 5. Use regression analysis to develop an estimated regression equation that could be used to predict the value score given the road-test score. 6. Use regression analysis to develop an estimated regression equation that could be used to predict the value score given the predicted-reliability. 7. What conclusions can you derive from your analysis? FamilySedans Dataset Car Price ($) Cost/Mile Road-Test Score Predicted Reliability Value Score Nissan Altima 2.5 S (4-cyl.) 23,970.00 0.59 91 4 1.75 Kia Optima LX (2.4) 21,885.00 0.58 81 4 1.73 Subaru Legacy 2.5i Premium 23,830.00 0.59 83 4 1.73 Ford Fusion Hybrid 32,360.00 0.63 84 5 1.70 Honda Accord LX-P (4-cyl.) 23,730.00 0.56 80 4 1.62 Mazda6 i Sport (4-cyl.) 22,035.00 0.58 73 4 1.60 Hyundai Sonata GLS (2.4) 21,800.00 0.56 89 3 1.58 Ford Fusion SE (4-cyl.) 23,625.00 0.57 76 4 1.55 Chevrolet Malibu LT (4-cyl.) 24,115.00 0.57 74 3 1.48 Kia Optima SX (2.0T) 29,050.00 0.72 84 4 1.43 Ford Fusion SEL (V6) 28,400.00 0.67 80 4 1.42 Nissan Altima 3.5 SR (V6) 30,335.00 0.69 93 4 1.42 Hyundai Sonata Limited (2.0T) 28,090.00 0.66 89 3 1.39 Honda Accord EX-L (V6) 28,695.00 0.67 90 3 1.36 Mazda6 s Grand Touring (V6) 30,790.00 0.74 81 4 1.34 Ford Fusion SEL (V6, AWD) 30,055.00 0.71 75 4 1.32 Subaru Legacy 3.6R Limited 30,094.00 0.71 88 3 1.29 Chevrolet Malibu LTZ (V6) 28,045.00 0.67 83 3 1.20 Chrysler 200 Limited (V6) 27,825.00 0.70 52 5 1.20 Chevrolet Impala LT (3.6) 28,995.00 0.67 63 3 1.05
The purpose of this assignment is to apply simple regression techniques to find factors that determine the car values. AS Instructions: 1. Open the dataset of FamilySedans (attached) and read the case entitled “Finding the Best Car Value” in its entirety at the end of Chapter 14. 2. Use descriptive statistics to summarize the data and make comments on them. 3. Use regression analysis to develop an estimated regression equation that could be used to predict the value score given the price of the car. 4. Use regression analysis to develop an estimated regression equation that could be used to predict the value score given the five-year owner costs. 5. Use regression analysis to develop an estimated regression equation that could be used to predict the value score given the road-test score. 6. Use regression analysis to develop an estimated regression equation that could be used to predict the value score given the predicted-reliability. 7. What conclusions can you derive from your analysis? FamilySedans Dataset Car Price ($) Cost/Mile Road-Test Score Predicted Reliability Value Score Nissan Altima 2.5 S (4-cyl.) 23,970.00 0.59 91 4 1.75 Kia Optima LX (2.4) 21,885.00 0.58 81 4 1.73 Subaru Legacy 2.5i Premium 23,830.00 0.59 83 4 1.73 Ford Fusion Hybrid 32,360.00 0.63 84 5 1.70 Honda Accord LX-P (4-cyl.) 23,730.00 0.56 80 4 1.62 Mazda6 i Sport (4-cyl.) 22,035.00 0.58 73 4 1.60 Hyundai Sonata GLS (2.4) 21,800.00 0.56 89 3 1.58 Ford Fusion SE (4-cyl.) 23,625.00 0.57 76 4 1.55 Chevrolet Malibu LT (4-cyl.) 24,115.00 0.57 74 3 1.48 Kia Optima SX (2.0T) 29,050.00 0.72 84 4 1.43 Ford Fusion SEL (V6) 28,400.00 0.67 80 4 1.42 Nissan Altima 3.5 SR (V6) 30,335.00 0.69 93 4 1.42 Hyundai Sonata Limited (2.0T) 28,090.00 0.66 89 3 1.39 Honda Accord EX-L (V6) 28,695.00 0.67 90 3 1.36 Mazda6 s Grand Touring (V6) 30,790.00 0.74 81 4 1.34 Ford Fusion SEL (V6, AWD) 30,055.00 0.71 75 4 1.32 Subaru Legacy 3.6R Limited 30,094.00 0.71 88 3 1.29 Chevrolet Malibu LTZ (V6) 28,045.00 0.67 83 3 1.20 Chrysler 200 Limited (V6) 27,825.00 0.70 52 5 1.20 Chevrolet Impala LT (3.6) 28,995.00 0.67 63 3 1.05
MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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The purpose of this assignment is to apply simple regression techniques to find factors that determine the car values.
AS Instructions:
1. Open the dataset of FamilySedans (attached) and read the case entitled “Finding the Best Car Value” in its entirety at the end of Chapter 14.
2. Use descriptive statistics to summarize the data and make comments on them.
3. Use regression analysis to develop an estimated regression equation that could be used to predict the value score given the price of the car.
4. Use regression analysis to develop an estimated regression equation that could be used to predict the value score given the five-year owner costs.
5. Use regression analysis to develop an estimated regression equation that could be used to predict the value score given the road-test score.
6. Use regression analysis to develop an estimated regression equation that could be used to predict the value score given the predicted-reliability.
7. What conclusions can you derive from your analysis?
FamilySedans Dataset
| Car | Price ($) | Cost/Mile | Road-Test Score | Predicted Reliability | Value Score |
| Nissan Altima 2.5 S (4-cyl.) | 23,970.00 | 0.59 | 91 | 4 | 1.75 |
| Kia Optima LX (2.4) | 21,885.00 | 0.58 | 81 | 4 | 1.73 |
| Subaru Legacy 2.5i Premium | 23,830.00 | 0.59 | 83 | 4 | 1.73 |
| Ford Fusion Hybrid | 32,360.00 | 0.63 | 84 | 5 | 1.70 |
| Honda Accord LX-P (4-cyl.) | 23,730.00 | 0.56 | 80 | 4 | 1.62 |
| Mazda6 i Sport (4-cyl.) | 22,035.00 | 0.58 | 73 | 4 | 1.60 |
| Hyundai Sonata GLS (2.4) | 21,800.00 | 0.56 | 89 | 3 | 1.58 |
| Ford Fusion SE (4-cyl.) | 23,625.00 | 0.57 | 76 | 4 | 1.55 |
| Chevrolet Malibu LT (4-cyl.) | 24,115.00 | 0.57 | 74 | 3 | 1.48 |
| Kia Optima SX (2.0T) | 29,050.00 | 0.72 | 84 | 4 | 1.43 |
| Ford Fusion SEL (V6) | 28,400.00 | 0.67 | 80 | 4 | 1.42 |
| Nissan Altima 3.5 SR (V6) | 30,335.00 | 0.69 | 93 | 4 | 1.42 |
| Hyundai Sonata Limited (2.0T) | 28,090.00 | 0.66 | 89 | 3 | 1.39 |
| Honda Accord EX-L (V6) | 28,695.00 | 0.67 | 90 | 3 | 1.36 |
| Mazda6 s Grand Touring (V6) | 30,790.00 | 0.74 | 81 | 4 | 1.34 |
| Ford Fusion SEL (V6, AWD) | 30,055.00 | 0.71 | 75 | 4 | 1.32 |
| Subaru Legacy 3.6R Limited | 30,094.00 | 0.71 | 88 | 3 | 1.29 |
| Chevrolet Malibu LTZ (V6) | 28,045.00 | 0.67 | 83 | 3 | 1.20 |
| Chrysler 200 Limited (V6) | 27,825.00 | 0.70 | 52 | 5 | 1.20 |
| Chevrolet Impala LT (3.6) | 28,995.00 | 0.67 | 63 | 3 | 1.05 |
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