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Z-Test For Population Proportion: Evidence

This document outlines the steps to perform a z-Test for a population proportion. It provides sample size, number of successes, sample proportion, test statistic, population size, and p-values for testing various null hypotheses at a 5% significance level.

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Himanshu Shukla
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58 views1 page

Z-Test For Population Proportion: Evidence

This document outlines the steps to perform a z-Test for a population proportion. It provides sample size, number of successes, sample proportion, test statistic, population size, and p-values for testing various null hypotheses at a 5% significance level.

Uploaded by

Himanshu Shukla
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as XLS, PDF, TXT or read online on Scribd
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A B C D E F G H I J K

1 z-Test for Population Proportion


2
3 Evidence Assumption
4 Both np and n(1-p) >= 5
5 Sample size 550 n
6 #Successes 115 x Correction for Finite Population
7 Sample Proportion 0.2091 p-hat
8 Test statistic 2.4406 z Population Size 2000 N
9 Test statistic 2.8656 z
10 At an a of At an a of
11 Hull Hypothesis p-value 5% p-value 5%
12 H0: p = 0.17 0.0147 Reject 0.0042 Reject
13 H0: p >= 0.17 0.9927 0.9979
14 H0: p <= 0.17 0.0073 Reject 0.0021 Reject
15

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