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Five cigarette manufacturers claim that their product has low tar content. Independent random samples of cigarettes...

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Statistics

Five cigarette manufacturers claim that their product has lowtar content. Independent random samples of cigarettes are takenfrom each manufacturer and the following tar levels (in milligrams)are recorded.

Brand Tar Level (mg)

A 4.2, 4.8, 4.6, 4.0, 4.4

B 4.9, 4.8, 4.7, 5.0, 4.9, 5.2

C 5.4, 5.3, 5.4, 5.2, 5.5

D 5.8, 5.6, 5.5, 5.4, 5.6, 5.8

E 5.9, 6.2, 6.2, 6.8, 6.4, 6.3

Can the differences among the sample means be attributed tochance?

Answer & Explanation Solved by verified expert
3.8 Ratings (337 Votes)
We will use ANOVA for testing weatherdifferences among the sample means be attributed to chanceIn the below table data has been shown of tar level of fivemanufacturerABCDE424954585948485356624647545562455254684449555664525863ABCDETotal    See Answer
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