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Welch's t-test: Difference between revisions
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{{works with|C99}}
This shows how pvalue can be calculated from any two arrays, using Welch's 2-sided t-test, which doesn't assume equal variance.
The high "n" value ensures roughly
<lang C>#include <stdio.h>
#include <math.h>
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Test sets 4 p-value = 0.090773
Test sets 5 p-value = 0.010751</pre>
=={{header|Racket}}==
{{trans|C}}, producing the same output.
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