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? Use $\alpha = 0.01$

Question

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? Use $\alpha = 0.01$

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The Answer of 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? Use $\alpha = 0.01$

A Consumer Magazine Wants to Compare the Lifetimes of Ballpoint α=0.01\alpha = 0.01α=0.01

A Consumer Magazine Wants to Compare the Lifetimes of Ballpoint $\alpha = 0.01$