Hey,
I don't really get the output of the performed Levene's test.
So in short.
two data sets, one with 75 elements, one with 283.
And I want to check whether they have the same variance.

I did a LeveneTest
And this is the output:

Levene's Test for Homogeneity of Variance (center = median)
        Df F value   Pr(>F)
group   1  10.948 0.001033 **
       356
---
Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1

So I would think that H0 is being rejected? for everything except 99.9%?
But what does the 356 mean?
Is this test performed correctly? group is a vector with 1's and 2's 
appointing the two datasets...



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