HEY I NEED HELP!!What is the interquartile range of the data set? Enter the answer in the box. Key: 1|5 means 15 A stem-and-leaf plot with a stem value of 1 with a leaf value of 0, a stem value of 2 with a leaf value of 3, 3, 8, a stem value of 3 with a leaf value of 3, a stem value of 4 with a leaf value of 5, a stem value of 5, a stem value of 6, a stem value of 7, a stem value of 8 with a leaf value of 0, and a stem value of 9 with a leaf value of 0.

Question
Answer:
The interquartile range of this set of data is 55.

First, you need to put all 10 of the numbers in order. Then, first the first and third quartile. That is the middle of the lower half and middle of the upper half.Β 

Those values are 23 and 78,

The IQR is the difference of those values.

78 - 23 = 55
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