The IQR of a list is zero. Select all that apply: (Q24)? A: all the numbers in t

Question

The IQR of a list is zero. Select all that apply: (Q24)?

A: all the numbers in the list must be zero B: at least half the numbers in the list must be zero C: all the numbers in the list must be equal D: at least half the numbers in the list must be equal E: the median of the list must be zero F: the SD of the list must be zero G: the range of the list must be zero H: all of the above I: none of the above

The SD of a list is zero. Select all that apply: (Q23)  ?

A: all the numbers in the list must be zero B: at least half the numbers in the list must be zero C: all the numbers in the list must be equal D: at least half the numbers in the list must be equal E: the mean of the list must be zero F: the IQR of the list must be zero G: the range of the list must be zero H: all of the above I: none of the above

Explanation / Answer

24)

as IQR is a differnce between 25th and 75th percentile valeus ;therefore option D is correct

D: at least half the numbers in the list must be equal

23)

option C is correct

C: all the numbers in the list must be equal

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