A researcher interested in the effectiveness of organized diet groups on weight loss weighed five clients after several weeks on the program. The weight-loss scores (in pounds) we as follows:
13 12 6 9 10
Calculate the (a) range, (b) inter-quartile range, and (c) variance and standard deviation
for these weight-loss scores.
What would be an ideal response?
a.
13 6
7
R H L = ?
= ?
=
b.
= = =
= ?
= ?
=
? ?
2
2 2
50
5
10
530
100
5
6.00
X
X
N X
s X
N
c.
s = 2.45
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