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Use software to conduct the analysis of variance test. Use a significance level of 0.05 to test the ...

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Use software to conduct the analysis of variance test. Use a significance level of 0.05 to test the ...

Use software to conduct the analysis of variance test. Use a significance level of 0.05 to test the null hypothesis.

A consumer magazine wants to compare the lifetimes of ballpoint pens of three different types. The magazine takes a random sample of pens of each type in the following table.

Do the data indicate that there is a difference in mean lifetime for the three brands of ballpoint pens?

▸ Yes

▸ No

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Statistical Reasoning for Everyday Life

Edition: 5^th

Authors: Bennett, Briggs, Triola

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