The following are the numbers of hours that 10 police officers have spent being trained in how to handle encounters with people who are mentally ill. 4 17 12 9 6 10 1 5 9 3
Calculate the (a) range, (b) inter-quartile range, and (c) variance and standard deviation.
What would be an ideal response?
a.
17 1
16
R H L = ?
= ?
=
b.
= = =
= ?
= ?
=
? ?
2
2 2
76
10
7.6
782
57.76
10
20.44
X
X
N X
s X
N
c.
s = 4.52
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