Examlex
Explain the differences among the three types of column chromatography.
Standard Deviation
Square root of the variance that represents the average deviation of a score from the mean.
Sampling Distribution
The probability distribution of a given statistic based on a random sample, used to estimate properties of an underlying population.
Mean
The arithmetic average of a set of scores.
σ
A symbol commonly used in statistics to represent the standard deviation of a population.
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