Casio FX-7400GII - SOFTWARE VERSION 2-00 User Manual page 164

After setting all the parameters, use
one of the function keys shown below to perform the calculation or draw the graph.
• (CALC) ... Performs the calculation.
• (DRAW) ... Draws the graph.
• V-Window settings are automatically optimized for drawing the graph.
Z
Tests
Z Test Common Functions
You can use the following graph analysis functions after drawing a
• (Z) ... Displays
Pressing (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
• (P) ... Displays
Pressing (P) displays the
• Executing an analysis function automatically stores the
and P, respectively.
1-Sample Z Test
This test is used when the population standard deviation is known to test the hypothesis. The
Z
1-Sample Test is applied to the normal distribution.
Perform the following key operations from the statistical data list.
The following shows the parameter data specification items that are different from list data
specification.
Calculation Result Output Example
11.4 .......... direction of test
s .................. Displayed only for Data: List setting.
x
to move the highlighting to "Execute" and then press
z
score.
z
score at the bottom of the display, and displays the pointer at
p
-value.
p
-value at the bottom of the display without displaying the pointer.
(TEST)
(Z)
(1-S)
and
z p
and
6-24
Z
Test result output graph.
to move the pointer.
values in alpha variables Z