| A hypothesis
test for proportions is a type
of hypothesis test used
to make inferences about the proportion
of items in a population that have a specified
characteristic, based on the proportion
of items in a sample that have that characteristic.
The most commonly used tests
are are used when the sample size is reasonably
large and so the binomial distribution can
be approximated by the normal distribution.
If the sample size is small a Chi-Square
test can be used.
Tests include:
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