Situation II
As was the case in I, a similar table for situation II is constructed below. Note that the X is used
instead of u.
(X-X) 2
_X_
(X - X)
2
-3
9
2
-3
9
3
-2
4
5
0
0
5
0
0
5
0
0
6
1
1
6
1
1
7
2
4
9
_4
16
ΣX = 50
Σ(X-X = 0
Σ(X-X)2 = 44
6. A Mean = X = ΣX = 50 = 5
(Frame 23)
n 10
7. B Mode = 5 (occurs 3 times)
(Frame 31)
8. B Median = 5 + 5 = 10 = 5
(Frame 29)
2
2
9. B Range = 9 - 2 = 7
(Frame 34)
Σ(X X)2
10. D Standard Deviation = s =
(Frame 40)
n-1
=
44
=
4.89
=
2.21
9
65
FI0921
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