Chapter 13: Inferential Statistics and Distributions 349
1-PropZTest
1-PropZTest1-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 H0:prop=p
0
against one of the alternatives below.
•H
a: propƒp0 (prop:ƒp0)
•H
a: prop<p0 (prop:<p0)
•H
a: prop>p0 (prop:>p0)
Drawn
results:
Input:
Data Stats