Texas Instruments TI-83 Manual Book page 406

Calculated results:
Drawn results:
2.PropZTest
(two-proportion
2.PropZTest
the proportion of successes (p
input the count of successes in each sample (
observations in each sample (
hypothesis H : p
0
one of the alternatives below.
ƒp
H : p (
a 1 2
H : p <p (
a 1 2
H : p >p (
a 1 2
TI-83 Plus Inferential Statistics and Distributions
,
z
(using the pooled sample proportion Ç) against
=p
1 2
)
p1:ƒp2
)
p1:<p2
)
p1:>p2
test; item ) computes a test to compare
6
and p ) from two populations. It takes as
1 2
and ).
n n 2.PropZTest
1 2
and ) and the count of
x x
1 2
tests the null
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