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What is the "invisible hand", and how does it work as a market force?
σ
Symbol representing the standard deviation of a population in statistics.
Population Mean
The average of a set of values from the entire population, representing the central tendency of the total data set.
Confidence Intervals
Intervals that are calculated from the observed data and provide a range that likely includes the true parameter of the population, expressed at a certain confidence level.
Sample Increases
The process or act of enlarging the sample size in statistical experiments, aiming to make findings more reliable by reducing sampling error.
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