#1-3: In a hospital, two different departments give surveys to measure the satisfaction of patients. The survey has the same questions and given in the same manner. In department A, a sample of 125...

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Extracted text: #1-3: In a hospital, two different departments give surveys to measure the satisfaction of patients. The survey has the same questions and given in the same manner. In department A, a sample of 125 patients resulted in a mean score of 5.8 with a standard deviation of .64. The survey for department B had 90 patient responses with a sample mean of 6.1 and a standard deviation of .35. 1) Construct a 99% confidence interval for the mean of all patient scores for department A. 2) Construct a 95% confidence interval for the difference of population mean scores between the departments. 3) Test a claim that the population mean score for department B is higher than department A. Use a = .05