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Effects of Outliers and Data Changes
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PSAT Prep
118 Effects of Outliers and Data Changes
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Two data sets each have mean 50. Data set A has all values close to 50, while data set B includes values near 10 and 90. Which comparison is best supported?
A
Data set B has a smaller range because it has extreme values.
B
The standard deviations must be equal because the means are equal.
C
The centers are the same, but data set B has greater spread.
D
Data set A has a greater mean because its values are closer together.
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