7-9-7 Tests

Definition of Terms

p1 condition : sample proportion test conditions (“ξ” specifies two-tail test, “<” specifies one-tail test where sample 1 is smaller than sample 2, “>” specifies one-tail test where sample 1 is greater than sample 2.)

x1 :data value (integer, x1 0) of sample 1

n1 :size of sample 1 (positive integer)

x2 :data value (integer, x2 0) of sample 2

n2 :size of sample 2 (positive integer)

Calculation Result Output

p1>p2 :

test condition

z :

 

z value

p :

p-value

pˆ1

:

estimated proportion of sample 1

pˆ2

:

estimated proportion of sample 2

pˆ

:

estimated sample proportion

n1

:

size of sample 1

n2

:

size of sample 2

Example

Data1 : 220 , sample size : 400

Data2 : 184 , sample size : 400

•Statistics Wizard Operation

(1)On the menu bar, tap [Calc] and then [Test].

(2)Select [Two-Prop ZTest] and then tap [Next >>].

(3)Select p1 condition [>] and input values.

(4)Tap [Next >>].

(5)To display the graph, tap .

SProgram, eActivity or Main Application

Command: TwoPropZTest :

Command Syntax

“p1 condition”, x1 value, n1 value, x2 value, n2 value

Input Example:

TwoPropZTest “>”,220,400,184,400

20090601