11. For each set below circle the letter of the more variable group. Set 1 a. 20
ID: 3050958 • Letter: 1
Question
11. For each set below circle the letter of the more variable group. Set 1
a.
20, 40, 80, 10, 50, 60
b.
160, 140, 150, 140, 160, 150
Set 2
a.
The length of airport runways in the U.S.
b.
The length of highways in the U.S.
Set 3
a.
The ages of University professors
b.
The ages of University students
Set 4
Winning team scores
a.
baseball games
b.
football games
11. For each set below circle the letter of the more variable group. Set 1
a.
20, 40, 80, 10, 50, 60
b.
160, 140, 150, 140, 160, 150
Set 2
a.
The length of airport runways in the U.S.
b.
The length of highways in the U.S.
Set 3
a.
The ages of University professors
b.
The ages of University students
Set 4
Winning team scores
a.
baseball games
b.
football games
11. For each set below circle the letter of the more variable group. Set 1
a.
20, 40, 80, 10, 50, 60
b.
160, 140, 150, 140, 160, 150
Set 2
a.
The length of airport runways in the U.S.
b.
The length of highways in the U.S.
Set 3
a.
The ages of University professors
b.
The ages of University students
Set 4
Winning team scores
a.
baseball games
b.
football games
Explanation / Answer
Set 1
a.
20, 40, 80, 10, 50, 60
Because the Standard deviaition/mean ratio is bigger.
Set 2
b.
The length of highways in the U.S.
These are more in no. hence high variablility
Set 3
a.
The ages of University professors
The ages of students are more likely to be in the same range hence very low variablilty it it.
Set 4
Winning team scores
a.
baseball games
This are usually much higher than no with respect to footbal scores hence very high chances of variability.
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