Click on the box labeled Perform hypothesis test, and in the box labeled Hypothesized mean, type in the value of the mean assumed in the null hypothesis: In the box labeled Sample size, type in the sample size n in the box labeled Mean, type in the sample mean and in the box labeled Standard deviation, type in the sample standard deviation. In the pop-up window that appears, click on the radio button labeled Summarized data. Under the Stat menu, select Basic Statistics, and then 1-Sample t.:
#USING MINITAB 18 HOW TO#
To illustrate how to tell Minitab to perform a t-test for a single mean, let's refer to the systolic blood pressure example that appeared on the page called The T-test: When Population Variance is Unknown. Then, upon clicking OK on the main pop-up window, the output should appear in the Session window: Then, click OK to return to the main pop-up window. In the pop-up window that appears, for the box labeled Alternative, select either less than, greater than, or not equal depending on the direction of the alternative hypothesis: Click on the box labeled Perform hypothesis test, and in the box labeled Hypothesized mean, type in the value of the mean assumed in the null hypothesis:Ĭlick on the button labeled Options. In the box labeled Standard deviation, type in the value of the known (or rather assumed!) population standard deviation. In the box labeled Sample size, type in the sample size n, and in the box labeled Mean, type in the sample mean. Under the Stat menu, select Basic Statistics, and then 1-Sample Z.: To illustrate how to tell Minitab to perform a Z-test for a single mean, let's refer to the boys weight example that appeared on the page called The Z-test: When Population Variance is Known.