Center, Shape, & Spread of Data
PSAT Math · Flashcards
PSAT MATH · FLASHCARDS
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QUESTION
Find
IQR
\text{IQR}
IQR
if
Q
1
=
12
Q_1=12
Q
1
=
12
and
Q
3
=
20
Q_3=20
Q
3
=
20
.
QUESTION
Which measure of center is most resistant to outliers: mean or median?
QUESTION
Which measure of center is typically larger for a right-skewed distribution: mean or median?
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ANSWER
Mean. Right tail pulls the mean higher than the median.
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