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Comparison of Means. The basic analysis of SPSS that will be introduced in this class. Compare means You can generate a simple comparison table. Comparing the mean of one variable to the mean of another. One sample T test
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The basic analysis of SPSS that will be introduced in this class • Compare means You can generate a simple comparison table. Comparing the mean of one variable to the mean of another. • One sample T test The one sample T test analysis compares an expected value with the mean derived from the values of a single variable. To run the test you choose the variable to be averaged and the value you expect. • The file used in this example is employee data.sav
Frequencies • Select ‘Analyze menu’ click compare means then select variable (beginning and current salary into the dependent list and employment category in the independent list. You can click on options and select a variety of statistics • Click on OK
Independent – one samples T test • Enter the test value of 12. The avrg no of years of education of all employees is compared to 12. Select your options and click on OK
