Chapter 7. Hypothesis Testing: Hypothesis Test for a Population Proportion
Hypotheses of a Population Proportion Test
Consider the scenario in which we have a binary categorical variable with two possible outcomes: success and failure.
The variable is measured on a population and #\pi = \mathbb{P}(\text{Success})# is the proportion of successes in the population.
If we were to draw a random sample from this population, we could use a hypothesis test to test certain statements about the population proportion #\pi#.
#\phantom{0}#
Statistical Test for a Population Proportion: Hypotheses
The hypotheses of a statistical test for a population proportion #\pi# are:
| Two-tailed | Left-tailed | Right-tailed |
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