Lecture Notes on Statistical Methods
of week 1 using a 99% confidence interval. 1. Set up the null hypothesis Ho and the alternative hypothesis Ha. Ho 49 4; Ha 49n 4; 2. Calculate the critical value of t-distribution needed for a confidence interval of 99% confidence interval, with a degree of freedom equal to : ,9 ,;< . Example: From our given values, the degree of freedom is 20 ...
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