Examlex
Which of the following was a serious problem associated with the welfare state of the United States in the 1990s that helped lead to welfare reform?
T Test
A statistical test used to compare the means of two groups, determining if there is a significant difference between them.
T Test
A statistical test used to determine if there is a significant difference between the means of two groups, which may be related in certain features.
Mean Scores
The average value of a set of numbers, calculated by dividing the sum of all values by the number of values.
Standard Error
The statistical measure that describes the accuracy with which a sample represents a population, often used in inferential statistics.
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