Welch's t-test: Difference between revisions
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→{{header|SAS}}
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Line 956:
df = (v1/n1+v2/n2)**2/(v1**2/(n1**2*(n1-1))+v2**2/(n2**2*(n2-1)));
p = 2*probt(-abs(t), df);
print
quit;</lang>
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