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After setting all the parameters, use A to move the highlighting to “Execute” and then press
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.
I Z Tests
S Z Test Common Functions
You can use the following graph analysis functions after drawing a Z Test result output graph.
•(Z) ... Displays
z score.
Pressing (Z) displays the
z score at the bottom of the display, and displays the pointer at
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 B and C to move the pointer.
•(P) ... Displays
p-value.
Pressing (P) displays the
p-value at the bottom of the display without displaying the pointer.
• Executing an analysis function automatically stores the
z and p values in alpha variables Z
and P, respectively.
S 1-Sample Z 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.
Perform the following key operations from the statistical data list.
(TEST)
(Z)
(1-S)
The following shows the parameter data specification items that are different from list data
specification.
Calculation Result Output Example
M
x11.4 .......... direction of test
s
x
.................. Displayed only for Data: List setting.