Mathematics, 13.12.2019 06:31 OnWheels
Most individuals are aware of the fact that the average annual repair cost for an automobile depends on the age of the automobile. a researcher is interested in finding out whether the variance of the annual repair costs also increases with the age of the automobile. a sample of 26 automobiles 4 years old showed a sample standard deviation for annual repair costs of $170 and a sample of 25 automobiles 2 years old showed a sample standard deviation for annual repair cost of $100. a. state the null and alternative versions of the research hypothesis that the variance in annual repair costs is larger for the older automobiles. b. at a .01 level of signifigance, what is your conclusion? what is the p-value? discuss the reasonableness of your findings.
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Mathematics, 21.06.2019 19:20
Aefg - almn. find the ratio of aefg to almn. a)1: 4 b)1: 2 c)2.1 d)4: 1
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Mathematics, 21.06.2019 21:30
Ijust need these 2 questions answered (the second pic is just confirmation i'm not confident in that answer)
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Mathematics, 21.06.2019 23:00
The architect's side view drawing of a saltbox-style house shows a post that supports the roof ridge. the support post is 8 ft tall. the distance from the front of the house to the support post is less than the distance from the post to the back of the house. how far from the front of the house is the support post positioned?
Answers: 1
Most individuals are aware of the fact that the average annual repair cost for an automobile depends...
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