Question
In a research, students reported their typical time to run a mile, and whether or not they were an athlete. Suppose we want to know
In a research, students reported their typical time to run a mile, and whether or not they were an athlete. Suppose we want to know if the average time to run a mile is different for athletes versus non-athletes. This involves testing whether the sample means for mile time among athletes and non-athletes in your sample are statistically different (and by extension, inferring whether the means for mile times in the population are significantly different between these two groups). We can use an Independent SamplestTest to compare the mean mile time for athletes and non-athletes.
In the sample data, we will use two variables:AthleteandMileMinDur. The variableAthletehas values of either "0" (non-athlete) or "1" (athlete). It will function as the independent variable in this T test. The variableMileMinDuris a numeric duration variable (h:mm:ss), and it will function as the dependent variable. In SAS, the output look like this:
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