Casio Algebra FX 2.0 PLUS User Manual page 11

The following pages explain various statistical calculation methods based on the principles
described above. Details concerning statistical principles and terminology can be found in
any standard statistics textbook.
On the initial STAT Mode screen, press 3(TEST) to display the test menu, which contains
the following items.
• 3(TEST)b(Z) ...
Z
Tests
k k k k k
Z
Test Common Functions
u u u u u
You can use the following graph analysis functions after drawing a graph.
• 1(Z) ... Displays
Pressing 1 (Z) displays the
the corresponding location in the graph (unless the location is off the graph screen).
Two points are displayed in the case of a two-tail test. Use d and e to move the pointer.
Press i to clear the
• 2(P) ... Displays p-value.
Pressing 2 (P) displays the p-value at the bottom of the display without displaying the
pointer.
Press i to clear the p-value.
Z
u u u u u 1-Sample Test
This test is used when the population standard deviation is known to test the hypothesis. The
1-Sample Z Test is applied to the normal distribution.
Z =
# The following V-Window settings are used for
drawing the graph.
Xmin = –3.2, Xmax = 3.2, Xscale = 1,
Ymin = –0.1, Ymax = 0.45, Yscale = 0.1
Tests (TEST)
Z
Tests (p. 1-2-2)
t
c(T) ... Tests (p. 1-2-10)
) ... χ
2 2 Test (p. 1-2-18)
d(χ
F
e(F) ... 2-Sample
f(ANOVA) ... ANOVA (p. 1-2-22)
z
score.
z
score at the bottom of the display, and displays the pointer at
z
score.
µ
o –
0
σ
n
1-2-2
Test (p. 1-2-20)
: mean of sample
o
µ
: assumed population mean
o
σ : population standard deviation
n
: size of sample
# Executing an analysis function automatically
stores the z and p values in alpha variables Z
and P, respectively.
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