![]() ![]() The major difference between using Compare Means and viewing the Descriptives with Split File enabled is that Compare Means does not treat missing values as an additional category - it simply drops those cases from the analysis. Note that Compare Means with one layer produces results that are similar to using the Split File technique with the Descriptives procedure. Now let's look at how the mile times vary with respect to whether or not someone is an athlete. The fastest mile time was about 5 minutes the slowest was about 14 minutes. The average mile time overall was 8 minutes, 9 seconds, with a standard deviation of about 2 minutes. The Compare Means procedure will report two tables: the Case Processing Summary, which contain information about the number of valid cases that the statistics are based on, and the Report table, which contains the descriptive statistics themselves. You can also drag the items within the Cell Statistics box to change the order that the statistics are displayed in the output. Click and drag Minimum and Maximum to the Cell Statistics box. Mean, Number of Cases, and Standard Deviation are included by default.
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