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Name:
Dispersion 3
A
B
C
D
1
What is the sample standard deviation of the data in the table below, rounded to the
nearest tenth
?
a)
12.5
c)
17.1
b)
12.8
d)
18.7
A
B
C
D
2
The accompanying table shows the scores on a classroom test.
What is the population standard deviation for this set of scores?
a)
10.2
c)
25
b)
10.4
d)
88
A
B
C
D
3
The table below displays the number of siblings of each of the 20 students in a class.
What is the population standard deviation, to the
nearest
hundredth
, for this group?
a)
1.11
c)
1.14
b)
1.12
d)
1.15