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a hospital administrator wants to estimate the mean length of stay for all inpatients in the...

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Basic Math

a hospital administrator wants to estimate the mean length ofstay for all inpatients in the hospital. Based on a random sampleof 676 patients from the previous year, she finds that the samplemean is 5.3 days with a standard deviation of 1.2 days. Constructand interpret a 95% and a 99% confidence interval for the mean.

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3.8 Ratings (714 Votes)
adf n 1 676 1 675t critical value at 005 significance level with 675 df 196395 confidence interval for is t S sqrtn t S    See Answer
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