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Confidence interval for the population mean

What percentage of hospitals provides as a minimum some charity care? Based on a random sample of hospital reports from eastern states, the following information was obtained (units in percentage of hospitals providing at least some charity care.

 

57.1

56.2

53.0

66.1

59.0

64.7

70.1

64.7

53.5

78.2

Utilize a calculator with mean and sample standard deviation keys to verify that x = 62.3% and s = 8.0%. Find a 90 percent confidence interval for the population average µ of the percentage of hospitals providing at least some charity care.

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M920149

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