Using the Power and Sample Size tool for a 1-Sample t-test
In the previous example, we ran a t-test to compare the population mean against a hypothesized value. The results of the t-test on the data entered showed us a mean of 0.255 with a standard deviation of 0.43. In this example, we will check the size of difference that a 1-Sample t-test using 15 samples and a standard deviation of 0.43 can detect with 80 percent or 90 percent power.
Getting ready
We will use the results of the mean, standard deviation, and the sample size from the Comparing the population mean to a target with a 1-Sample t-test recipe. We would like to know the type of difference that this test can observe.
How to do it…
The following steps will generate the size of effect that ...
Get Minitab Cookbook now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.
