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Science-Related Homework Help Statistics and Probability Topic started by: bennick on Mar 5, 2023



Title: Three different brands of tires were compared for wear characteristics. From each brand of tire, ten ...
Post by: bennick on Mar 5, 2023

Three different brands of tires were compared for wear characteristics. From each brand of tire, ten tires were randomly selected and subjected to standard wear-testing procedures. The average mileage obtained for each brand of tire and sample variances (both in 1,000 miles) are shown below.

 

 

Brand A

Brand B

Brand C

Average Mileage

37

38

33

Sample Variance

3

4

2


At 95% confidence, test to see if there is a significant difference in the average mileage of the three brands.



Title: Re: Three different brands of tires were compared for wear characteristics. From each brand of tire, ten ...
Post by: Ignesias on Mar 5, 2023
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