anonymous
  • anonymous
Which best describes the spread of a set of data that has an interquartile range of 12 and a mean absolute deviation of 8? A. The average distance of all data values from the mean is 12 and the middle 50% of data values has a range of 8. B. The average distance of all data values from the mean is 8 and the middle 50% of data values has a range of 12. C. The average distance of all data values from the mean is 10 and the middle 50% of data values has a range of 4.
Mathematics
chestercat
  • chestercat
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anonymous
  • anonymous
D. The average distance of all data values from the mean is 10 and the middle 50% of data values has a range of 20. \ @mathmate
muscrat123
  • muscrat123
srry got my own problems
UsukiDoll
  • UsukiDoll
same reasoning as @muscrat123

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anonymous
  • anonymous
Do you know what interquartile range means?
anonymous
  • anonymous
i dont
anonymous
  • anonymous
This might help. Do you understand the attached image?
1 Attachment
anonymous
  • anonymous
no really...
muscrat123
  • muscrat123
can u delete the comment w/ my username?
anonymous
  • anonymous
i did
anonymous
  • anonymous
So, a set of data may be separated into quartiles, each quartile containing 1/4 (or 25%) of the data (hence the name quartile). The interquartile range (IQR) is the range that contains the middle half (50%) of the data.
anonymous
  • anonymous
You're welcome.
anonymous
  • anonymous
do you know the answer?
anonymous
  • anonymous
Yes, I know the answer. What do you think? And please disregard my message - sent to wrong user by mistake. Sorry.
anonymous
  • anonymous
You know the definition of IQR. Apply that definition to this question and you'll have your answer.
anonymous
  • anonymous
What is the IQR in this question?

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