
Chapter 10
350
Normal Q-Q Plot of price
Observed value
–3
530540 550560 570
–2
–1
0
1
2
3
Expected normal
FIGURE 10.28
SPSS produced
Normal Q-Q plot for
the data indicated in
Table 10.5
1
5
10
20
30
40
50
60
70
80
90
95
99
Percent
Price
Probability plot of price
normal
Mean
P-Value
AD
N
StDev
554.0
0.309
0.415
25
7.080
540545 550555 560565 570
FIGURE 10.29
Minitab output
exhibiting Anderson-
Darling test of
normality for the data
indicated in Table 10.5
FIGURE 10.30
SPSS Explore and
Explore: Plots
dialogue box
M10 Buisiness Statistics xxxx 10.indd 350 6/17/2020 11:46:48 AM