Casio 330 - Manual (Page 437)

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Example
Sample A Sample B
Size 40 45
Standard deviation 23.16 18.51
Mean 65.43 71.87
• Statistics Wizard Operation
(1) On the menu bar, tap [Calc] and then [Test].
(2) Select [Two-Sample ZTest] and [Variable], and
then tap [Next >>].
(3) Select the μ
1
condition [ x] and input values.
(4) Tap [Next >>].
(5) To display the graph, tap .
SProgram, eActivity or Main Application
Command: TwoSampleZTest :
Command Syntax
Syntax 1 (list format)
“μ
1
condition”, σ
1
value, σ
2
value, List(1), List(2), Freq(1) (or 1), Freq(2) (or 1)
* “Freq” can be omitted. Doing so sets “1” for “Freq”.
Syntax 2 (parameter format)
“μ
1
condition”, σ
1
value, σ
2
value, M
1
value, n
1
value, M
2
value, n
2
value
Input Example:
Syntax 1 (list format)
TwoSampleZTest “ x”,1,1,list1,list2,1,1
Syntax 2 (parameter format)
TwoSampleZTest “ x”,23.16,18.51,65.43,40,71.87,45
1-Prop Z Test
Menu: [Test]-[One-Prop ZTest]
Description: This command tests whether successes achieve a fixed proportion.
A 1-Prop Z Test is used for normal distribution.
Z
=
n
x
n
p
0
p
0
)
— p
0 p
0
: expected sample proportion
n : sample size
7-9-5
Tests
1 −
)