| A hypothesis test consists
of two complementary propositions. For example,
suppose that the test is to see if a process
mean differs from zero:
H0 the mean equals zero (this
is the 'null hypothesis')
H1 the mean does not equal
zero (this is the 'alternative hypothesis')
The test will determine the probability
of getting the observed results if H0
were true. This probability is known as
the p-value.
Terms used in hypothesis testing include:
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