Examlex
What are employers required to provide under the Occupational Safety and Health Act?
Degrees of Freedom
The total number of independent pieces of information that went into the estimation of a parameter or the calculation of a statistic.
Chi-Squared Table Value
A value derived from the chi-squared distribution used in statistical tests to determine the significance of observed data.
Test Statistic
A calculated value from sample data used to make decisions about a hypothesis, indicating whether to reject the null hypothesis.
Expected Frequency
The anticipated number of times an event is predicted to happen within a specific time period, based on probability models.
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