You can calculate the T-Value in Excel with the mean, standard deviation and degrees of freedom. Since the T-Value is a comparison between sample mean and population mean, both values need to be ...

Build 99% Confidence Interval Using Sample Standard Deviation. Assuming the sample is representative of the population, construct a 99% confidence interval for the mean number of characters printed ...

Journal of the Royal Statistical Society. Series D (The Statistician), Vol. 44, No. 4 (1995), pp. 417-423 (7 pages) Significance tests that are based on discrete probabilities are conservative in that ...