General

One Sample proportion test

 when 

 

Confidence Interval

 

Maximum Error Estimate

 

Analysis of Count Data

Setting H0 and H1:

 

Test statistics:

Where

 

Confidence Interval

 

Test the Differences Among Proportions

Setting H0 and H1:

 

Test statistics:

Where o is observed frequency, and e is expected frequency.

 when we compare k sample proportion.

 

The Chi-Square Independence and Homogeneity Tests

Tests using Contingency Tables

Setting H0 and H1:

 

Testing for Independence:

Testing for Homogeneity:

 

Test statistics:

Where o is observed frequency, and e is expected frequency.

 

For each cell of the contingency table, use

 

Chi-Square test for goodness of fitness

Setting H0 and H1: