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Question: (1 pt) Randomly selected 130 student cars have ages with a mean of 7.3 years and a standard devia…



Question: (1 pt) Randomly selected 130 student cars have ages with a mean of 7.3 years and a standard devia...

Show transcribed image text (1 pt) Randomly selected 130 student cars have ages with a mean of 7.3 years and a standard deviation of 3.6 years, while randomly selected 105 faculty cars have ages with a mean of 5.3 years and a standard deviation of 3.3 years. 1. Use a 0.05 significance level to test the claim that student cars are older than faculty cars. The test statistic is The critical value is Is there sufficient evidence to support the claim that student cars are older than faculty cars? A. No B. Yes 2. Construct a 95% confidence nter al estimate of the difference#1 faculty cars. μ2 where 11 sthe mean ag e of student cars and μ2istre mean age of

(1 pt) Randomly selected 130 student cars have ages with a mean of 7.3 years and a standard deviation of 3.6 years, while randomly selected 105 faculty cars have ages with a mean of 5.3 years and a standard deviation of 3.3 years. 1. Use a 0.05 significance level to test the claim that student cars are older than faculty cars. The test statistic is The critical value is Is there sufficient evidence to support the claim that student cars are older than faculty cars? A. No B. Yes 2. Construct a 95% confidence nter al estimate of the difference#1 faculty cars. μ2 where 11 sthe mean ag e of student cars and μ2istre mean age of

  

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