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Statistical Sufficiency
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DI.121 Statistical Sufficiency
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Data Sufficiency. A data set contains 10 values. Is the IQR greater than half the range? Statement (1): The median is 50. Statement (2): The minimum is 40 and the maximum is 60.
A
Statement (1) alone is sufficient to determine whether the IQR is greater than half the range in the 10-value set; statement (2) alone is not.
B
Statement (2) alone is sufficient to determine whether the IQR is greater than half the range in the 10-value set; statement (1) alone is not.
C
Statements (1) and (2) together are sufficient to determine whether the IQR is greater than half the range in the 10-value set, but neither statement alone is sufficient.
D
Statements (1) and (2) together are not sufficient to determine whether the IQR is greater than half the range in the 10-value set.
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