Center, Shape, & Spread of Data
PSAT Math · Flashcards · Application
PSAT MATH · FLASHCARDS
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QUESTION
Find the range of the data set
{
3
,
3
,
9
,
12
}
\{3,3,9,12\}
{
3
,
3
,
9
,
12
}
.
QUESTION
What is the median of the data set
3
,
7
,
9
,
10
,
12
3,7,9,10,12
3
,
7
,
9
,
10
,
12
?
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
.
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ANSWER
20
−
12
=
8
20-12=8
20
−
12
=
8
. Subtract first quartile from third quartile.
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