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Author Question: Three different brands of tires were compared for wear characteristics. From each brand of tire, ten ... (Read 12 times)

yagurl

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on: Mar 25, 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.

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Marked as best answer by yagurl on Mar 25, 2023

GoldenBrown

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Reply #1 on: Mar 25, 2023
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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yagurl

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Reply 2 on: Mar 25, 2023
Wow, this really help

ecabral0

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Reply 3 on: Yesterday
Excellent

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