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Which of the following points represents a striking deviation in the box plot above?

A.
P
B.
R
C.
S
D.
Q

Which of the following points represents a striking deviation in the box plot above-example-1

1 Answer

1 vote

Answer:

A. P

Explanation:

You want to identify the point that represents a striking deviation in the given box plot.

IQR

The interquartile range for this box plot is the difference between the upper and lower quartiles:

29 -26 = 3

Outlier

The "fence" that is 1.5 times the IQR below the lower quartile is ...

26 -3·1.5 = 21.5

Point P lies beyond this fence, so is considered an outlier in the data set.

Point P represents a striking deviation, choice A.

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