JMP Tutorial: Calculating a One-Sample T-test for Means

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Calculating a One-Sample T-test for Means (video only)
Calculating a One-Sample T-test for Means (without video)
PC Version


Please click on the following link and save it to your desktop: Basketball Data

Now go to your desktop and double click on the JMP file.
This process will automatically start JMP and display the following dataset.


To calculate a one-sample t test based on the dataset we will begin by clicking Analyze and selecting Distribution.


The following dialog box will appear.


For this t test we will be examining the height of basketball players. Select Height (Inches) and then press the Y,Columns button to add the variable into the column roles. Your dialog box should now appear as follows.


Click OK and the following window should appear.


Move and click your cursor on the red arrow next to Distributions and select Stack.


Now move your cursor and click the red arrow next to Height (Inches) and select Test Mean.


The following dialog box should appear:


For Specify Hypothesized Mean, we will plug in 82.


Then click OK.


Showing:
Prob > |t| = 0.0311 represents the p-value for HA: µ ≠ 82
Prob > t = 0.9844 represents the p-value for HA: µ > 82
Prob < t = 0.0156 represents the p-value for HA: µ < 82