Compare Two Populations Using Data
Middle School Math · Flashcards · Application
MIDDLE SCHOOL MATH · FLASHCARDS
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QUESTION
Identify the more consistent group if both have median
10
10
10
, but
I
Q
R
A
=
1
IQR_A=1
I
Q
R
A
=
1
and
I
Q
R
B
=
5
IQR_B=5
I
Q
R
B
=
5
.
QUESTION
Which statement is most appropriate: "Population A is larger" or "Sample A suggests Population A is larger"?
QUESTION
Which sample is more variable if
I
Q
R
A
=
6
IQR_A=6
I
Q
R
A
=
6
and
I
Q
R
B
=
2
IQR_B=2
I
Q
R
B
=
2
?
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ANSWER
Sample
A
A
A
. Larger IQR means more spread in middle 50%.
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