Which set of population data is the least dispersed from its mean? 2, 3, 2, 9 4, 0, 4, 0 6, 2, 2, 2 9, 3, 5, 3 Mark this and return Save and Exit
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A smaller variance or standard deviation indicates less dispersion. The formula for population variance ($\sigma^2$) is: $$\sigma^2 = \frac{\sum (x_i - \mu)^2}{N}$$ where $x_i$ are the individual data points, $\mu$ is the population mean, and $N$ is the number of Show more…
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