Examlex
When using a Poisson distribution to approximate a binomial distribution, the standard deviation of the Poisson distribution is np where n is the sample size and p is the probability of an event of interest.
Region of Rejection
The range of values in hypothesis testing that, if the test statistic falls within, leads to the rejection of the null hypothesis.
Probability (p)
The likelihood of a specific event or outcome occurring, expressed as a number between 0 and 1.
Hypothesis Testing
A statistical method used to make inferences or decisions about population parameters based on sample data, often involving testing an assumption or claim.
Research Hypothesis
A statement positing a relationship between variables or indicating differences among groups, which the research is designed to test.
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