Examlex
Which of the following sets of scores has the least variability?
PHStat
A software program that enhances Microsoft Excel with the capability to perform statistical analysis.
Variance
A measure of the dispersion of a set of data points around their mean, indicating how spread out the data points are.
Index Fund
A type of mutual fund or exchange-traded fund designed to replicate the performance of a specific market index.
PHStat
An Excel add-in that allows users to perform statistical analysis.
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