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Then, we reject H
0
: µ = 150, against H
1
: µ ≠ 150. The test z value is
z
0
= 5.656854. The P-value is 1.54×10
-8
. The critical values of
±z
α/2
= ±1.959964, corresponding to critical ⎯x range of {147.2 152.8}.
This information can be observed graphically by pressing the soft-menu key
@GRAPH:
Reference
Additional materials on statistical analysis, including definitions of
concepts, and advanced statistical applications, are available in Chapter
18 in the user’s guide.
SG49A.book Page 11 Friday, September 16, 2005 1:31 PM