Examlex
When P < ATC in the long run,a perfectly competitive firm experiences economic profit and new firms will enter the market.
Sample Mean
The average value calculated from a sample of a population.
Sampling Distribution
The probability distribution of a statistic obtained through a large number of samples drawn from a specific population.
Simple Random Samples
A subset of a population where every member has an equal chance of being selected, ensuring unbiased representation.
Standard Error
A measure of the sampling variability of an estimator, indicating the uncertainty around the estimate of a population parameter.
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