You want to find out the mean and standard deviation of the duration variable. We’re working on the assumption that you have already imported your data into SPSS, and you’re looking at something a bit like this (though obviously with different variables, figures, etc).Īs you can see, we’ve got three variables: (a) duration – which is the duration in seconds it takes to complete a certain task (b) sex – male or female and (c) height – in inches. There are a number of different ways to achieve this, but what follows is probably the easiest.
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