Examlex
Which of the following terms describes the degree to which members of a work unit share a common demographic attribute, such as age, sex, race, educational level, or length of service?
Degrees of Freedom
The number of values in the final calculation of a statistic that are free to vary.
Null Hypothesis
A hypothesis that asserts there is no significant difference or effect and serves as the default assumption to be tested against an alternative hypothesis.
Chi-square Statistic
A statistical test used to determine if there's a significant difference between observed frequencies and expected frequencies in categorical data.
Degrees of Freedom
The number of independent pieces of information used in the calculation of a statistic, often associated with the complexity of the data.
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