Examlex
The Surface Mining Control and Reclamation Act of 1977 require reclamation of all areas mined for coal.
Test Statistic
A measure calculated from sample data to make decisions about a population parameter in hypothesis testing.
Null Hypothesis
A hypothesis that there is no effect or no difference, and it serves as the default or starting assumption in hypothesis testing.
Point Estimate
A single value (or point) derived from a sample that serves as the best estimate of an unknown population parameter.
Hourly Wages
Hourly wages are payments made to workers based on the number of hours worked, typically quoted as an amount of money per hour.
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