Representing Data with Number Line Plots
Statistics and Probability · Flashcards
STATISTICS AND PROBABILITY · FLASHCARDS
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QUESTION
Find the
I
Q
R
IQR
I
QR
if
Q
1
=
12
Q_1=12
Q
1
=
12
and
Q
3
=
20
Q_3=20
Q
3
=
20
.
QUESTION
What is the standard outlier rule using the
I
Q
R
IQR
I
QR
?
QUESTION
What is the interquartile range (IQR) in a box plot?
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ANSWER
I
Q
R
=
Q
3
−
Q
1
IQR = Q_3 - Q_1
I
QR
=
Q
3
−
Q
1
. Measures spread of the middle 50% of data.
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