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 ballpointpens?

Brand1

260

218

184

219

Brand2

181

240

162

218

Brand3

238

257

241

213

A. Yes

B. no