The monthly incomes for 12 randomly 4450 93 4596 75 4366 68 selected people each with a bachelor s degree 4455 89 4151 48 3727

Question

The monthly incomes for 12 randomly 4450 93 4596 75 4366 68 selected people each with a bachelor s degree 4455 89 4151 48 3727 53 in economics are shown on the right Complete parts a through c below 4283 44 4527 81 4407 28 3946 27 4023 68 4221 55 Assume the population is normally distributed a Find the sample mean x Round to one decimal place as needed

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