Using IBM SPSS 19 Descriptive Statistics - CBU
Using IBM SPSS 19 Descriptive Statistics - CBU
Using IBM SPSS 19 Descriptive Statistics - CBU
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Then we click options and choose <strong>Descriptive</strong>, Homogeneity of variance test, and Means plot. The<br />
Homogeneity of variance test calculates the Levene statistic to test for the equality of group variances.<br />
This test is not dependent on the assumption of normality. The Brown-Forsythe and Welch statistics are better<br />
than the F statistic if the assumption of equal variable does not hold.<br />
Then we click Continue followed by OK to get our output.<br />
A first impression from the <strong>Descriptive</strong>s is that the mean of the Current smokers differs significantly from<br />
those who Never smoked and the Former smokers, the latter two means being pretty much the same.<br />
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