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Interquartile Range and Standard Deviation
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ACT Prep
ACTM.206 Interquartile Range and Standard Deviation
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Program A has mean 100, standard deviation 15, and IQR 20. Program B has mean 100, standard deviation 12, and IQR 24. Which comparison is correct?
A
The programs have equal variability because their means are equal.
B
Program B is more variable by both standard deviation and IQR.
C
Program A is more variable by IQR, while Program B is more variable by standard deviation.
D
Program A is more variable by standard deviation, while Program B is more variable by IQR.
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