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wrote...
Posts: 212
2 weeks ago
Car reliability A consumer group assigned 62 car models reliability ratings of 1 - 5 based upon repair records. They wondered if more expensive cars might be more reliable. To find out, they created the regression analysis shown. (SHOW WORK. Don't bother writing hypotheses, and you may assume the assumptions for inference were all satisfied.)


a.df = ______, t = ______, P = ______
b. State your conclusion.
Textbook 

Stats: Modeling the World


Edition: 4th
Authors:
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wrote...
Posts: 259
2 weeks ago
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a. df = 60, t = 1.24, P = 0.11
b. Fail to reject (P > 0.05); We do not have evidence that expensive cars are more reliable.
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wrote...
2 weeks ago
Exactly what I needed for my project, TYSM
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