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T-Test
A statistical test used to compare the means of two groups to see if they are significantly different from each other.
Population Mean
The average value of a property in the population, representing a parameter that is typically unknown and estimated from a sample.
Nonnormal
Describing data or distributions that do not follow a normal (Gaussian) distribution pattern, which may affect statistical analysis and interpretations.
Single Mothers
Women who are raising their child or children without the involvement of the children's father, due to various circumstances.