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Mathematics, 13.11.2019 18:31 xwilliams83
A95% confidence interval for a population mean μ is given as (18.7, 21.3). this confidence interval is based on a simple random sample of 48 observations. calculate the sample mean and sample standard deviation. assume that all conditions necessary for inference are satisfied. use the excel function t. inv as necessary to obtain values from the t-distribution in any calculations and give all answers to 3 decimal places.
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A95% confidence interval for a population mean μ is given as (18.7, 21.3). this confidence interval...
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