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What is the standard error of the mean

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You have data on the quality scores of 25 hospitals in the state of Florida. The possible scores that hospitals can have are from 1 to 5, with 1 being the lowest and 5 the highest. The data show the following scores: 1.1, 1.3, 1.5, 1.8, 1.9, 2, 2.4, 2.5, 2.5, 2.8, 3.1, 3.1, 3.3, 3.6, 3.7, 3.7, 3.8, 3.9, 3.9, 3.9, 4, 4.2, 4.3, 4.4, 4.9. Nationally, hospital quality scores have a mean of 3.3 with a standard deviation of 1.02. What is the standard error of the mean for this sample (use the population standard deviation)?

Reference no: EM131723572

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