A baseball bat producing company wants to see if one of their brands outperforms another, Champ and Master. 10 bats of each brand are randomly selected and tested by different people to see how many hits are needed before the bat cracks or breaks. Here is the data for this experiment. Run a hypothesis test with=.05to see how the means of the two groups compare. What can you conclude about the bats?

ChampMaster

270364

334302

301350

307348

298396

290325

315342

305359

325327

331355