Comparing Distributions
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Find the population standard deviation of each dataset, correct to 2 decimal places.
A: \(4,\ 5,\ 5,\ 7,\ 8,\ 9\)
B: \(4,\ 5,\ 5,\ 7,\ 8,\ 20\)
What effect does the outlier in dataset \(B\) have on the standard deviation?
A: \(\sigma=1.80\) B: \(\sigma=5.46\). The outlier \(20\) greatly increases the standard deviation.
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