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A purely competitive system minimizes production costs and, at the same time, tends to keep economy wide profits at a minimum.
Margin of Error
An indicator of the precision of an estimate in statistics, showing the range within which the true value is expected to lie with a certain level of confidence.
Confidence Interval
A range of values that is used to estimate the true value of a population parameter with a certain level of confidence.
Standard Deviation
An index used to assess the extent of variation or scatter among data points.
Sample Size
The number of observations or individuals in a subset collected from a population for the purposes of statistical analysis.
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