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:: Home ::Six Sigma ::SIX SIGMA GLOSSARY: Single and Double Sided Tests :: CURRENT STUDENTS LOGIN

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Single and Double Sided Tests
 

A hypothesis test for the mean may be expressed as a double sided test, or a single sided test:

Double Sided Test

double sided test
Single Sided Test

single sided test

In a two sided test then the p-values and alpha values are shared between the two tails. Thus the calculated p-value must be compared to half the alpha value.

 

Hypothesis testing is covered in the MiC Quality Advanced Statistics Course.

Try out our courses by taking the first module of the Primer in Statistics free of charge.

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