Casio ClassPad 330, User Manual

Page: 429 / 954

20060301
7-9-6
Tests
Definition of Term s
Prop condition : sample proportion test condition (“ x ” specifies two-tail test, “<”
specifies lower one-tail test, “>” specifies upper one-tail test.)
p
0
: expected sample proportion (0 <
p
0
< 1)
x
: sample value (integer,
x
0)
n
: sample size (positive integer)
Calculation Re s ult Output
Prop x 0.5 : test condition
z
:
z
value
p
:
p
-value
ˆp
: estimated sample proportion
n
: sample size
Example
Data : 13
Sample size : 100
Expected proportion : 20%
• Stati s tic s Wizard Operation
(1) On the menu bar, tap [Calc] and then [Test].
(2) Select [One-Prop ZTest] and then tap [Next >>].
(3) Select Prop condition [
x
] and input values.
(4) Tap [Next >>].
(5) To display the graph, tap .
S Program, eActivity or Main Application
Command: OnePropZ Test :
Command Syntax
“Prop condition”,
p
0
value,
x
value,
n
value
Input Example:
OnePropZTest “
x
”,0.2,13,100
2-Prop
Z
Te s t
Menu: [Test]-[Two-Prop ZTest]
De s cription: This command compares the propor tion of successes for two populations.
A 2-Prop
Z
Test is used for normal distribution.
Z
=
n
1
x
1
n
2
x
2
—
p
(1 —
p
)
n
1
1
n
2
1
+
x
1
: data value of sample 1
x
2
: data value of sample 2
n
1
: size of sample 1
n
2
: size of sample 2
ˆp
: estimated sample proportion