Examlex
Discuss the role of Americans of color in Democratic Party deliberations, elections, and policies.
T-Statistic
A type of test statistic used in hypothesis testing when the sample size is small and the population variance is unknown.
Z-Statistic
A score that expresses the number of standard deviations an element is from the mean of the population.
Single Mothers
Women who are raising their children without the support of a partner, either due to widowhood, divorce, or having children out of wedlock.
Significance Level
In statistical hypothesis testing, it is the threshold of probability below which the null hypothesis is rejected, indicating the likelihood that the observed results are due to chance.
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