Examlex
Factor the trinomial.
Normal Distribution
A probability distribution that is symmetric about its mean, indicating that data near the mean are more frequent in occurrence.
Chi-squared Distribution
A statistical distribution characterized by degrees of freedom, used in hypothesis testing for categorical variables and in determining chi-squared test results.
Confidence Intervals
A numerical interval, associated with a specific likelihood, expected to encompass the actual value of an unidentified population statistic.
Population Variance
The measure of how much the numbers in a population differ from the mean value of the population.
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