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Test the claim that the samples come from population with the same mean. A consumer magazine wants to compare the lifetimes ofballpoint pens of three different types. The magazine takes arandom sample of the pens of each type and records thefollowing. Do the data indicate there is a difference in meanlifetime for the three brands? Use a level of 0.10. Brand 1: 260, 218, 184, 219, 190, 176 Brand 2: 181, 240, 162, 218, 225, 232, 241 Brand 3: 238, 257, 241, 213, 225

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