Texas Instruments TI-84 - Manual (Page 352)

Chapter 13: Inferential Statistics and Distributions 349
1-PropZTest 1-PropZTest 1-PropZTest 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
: prop ƒp
0
( prop: ƒ p0 )
• H
a
: prop<p
0
( prop:<p0 )
• H
a
: prop>p
0
( prop:>p0 )
Drawn
results:
Input:
Data Stats