Texas Instruments TI-84 PLUS - Graphing Calculator User Manual

Chapter 13: Inferential Statistics and Distributions 227
1-PropZTest
1-PropZTest (one-proportion z test; item 5) computes a test for an unknown proportion of
successes (prop). It takes as input the count of successes in the sample
x and the count of
observations in the sample
n. 1-PropZTest tests the null hypothesis H
0
: prop=p
0
against one of the
alternatives below.
•H
a
: propƒp
0
(prop:ƒp0)
•H
a
: prop<p
0
(prop:<p0)
•H
a
: prop>p
0
(prop:>p0)
Input:
Calculated
results:
Drawn
results:

Texas Instruments TI-84 PLUS - Graphing Calculator Specifications

General

Type	Graphing Calculator
Display Type	LCD
Screen Resolution	96 x 64 pixels
Processor	Zilog Z80
Memory	24 KB RAM, 480 KB Flash ROM
Power Source	4 AAA batteries (with backup lithium battery)
Connectivity	I/O port
Weight	7.4 oz (210 g)
Software	TI-OS (Texas Instruments Operating System)