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Quiz: Review Quiz-Chapters 1-7
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Answer #1

To find out quartiles,

Using excel

Syntax: QUARTILE(Array,quart)

594 - 21 5|6| 6-7 29 18 21-23-15 29 09179 7672 1 0 2321222346 212212to draw histogram,

By using R software

RGui (32-bit) File History Resize Windows Histogram of a :{5, 6, 6, 7, 29, 10, 21, 23, 15, 29, О, 29, 31, 27, I 9, 27, 26, 27, 32, 41 , 60) hist(a) 0 10 20 30 40 50 60therefore, histogram shows that the given data shows positively skewness.

Q1= 15

Q3=23

Interquartile range is Q3-Q1 is 14.

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