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Practical Data Analysis with JMP® by Robert Carver

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Using JMP to Conduct a Significance Test

Suppose that there were a national goal of restoring the areas to safe conditions in less than three hours (180 minutes) on average, and we wanted to ask if this goal has been met. We could use this data table to test the following hypotheses:

H0: μ ≥ 180[null hypothesis: the goal has not been met]
Ha: μ < 180[alternative hypothesis: the goal has been met]
  1. Click on the red triangle next to STMin, and select Test Mean. This opens the dialog box shown in Figure 9.4. Type 180 as shown and click OK.

Figure 9.4. Testing a Mean

Notice that the dialog box has two optional inputs. First, there is a field into ...

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