Question: Th e following data were gathered from a random sample of 11 items: 1,200 1,175 1,080 1,275 1,201 1,387 1,090 1,280 1,400 1,287 1,225 Use

Th e following data were gathered from a random sample of 11 items: 1,200 1,175 1,080 1,275 1,201 1,387 1,090 1,280 1,400 1,287 1,225 Use these data and a 5% level of signifi cance to test the hypotheses below, assuming that the data come from a normally distributed population. H0: μ 1160 Ha: μ 1160

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