Stat 211 Handout 9 (Chapter 9): Inferences Based on Two Samples tests
Population characteristics: Difference between two population proportions, p
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Population characteristics: Difference between
two population proportions
, p
1
-p
2
.
p
0
is the claimed constant.
and
are the sample proportions for X's and Y's, respectively.
and
are the population proportions for X's and Y's, respectively.
m and n are the large sample sizes for X's and Y's, respectively.
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and 
are the sample proportions for X's and Y's, respectively.
and 
are the population proportions for X's and Y's, respectively.