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Mathematics, 03.11.2020 17:20 zitterkoph

A 90% confidence interval for a population mean is given as (17.68, 22.02). This confidence interval is based on a simple random sample of 36 observations. Calculate the sample mean and standard deviation. Use the t-distribution in any calculations.

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A 90% confidence interval for a population mean is given as (17.68, 22.02). This confidence interval...
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