Confidence interval for true average

Reference no: EM13104939

According to an early CDC study of 21 patients infected with the swine flu, the average incubation period was 7 days with a sample standard deviation of 4.5 days. We will assume that the incubation times are normally distributed. Find a 95% confidence interval for the true average incubation period.

Use MegaStat for your computations.

Round your answers to one decimal place.

Reference no: EM13104939

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