Wikibooks

Statistics/Testing Data/z-testsprop2

< Statistics
This page may need to be reviewed for quality.

z test statistic: two proportions

edit

The test statistic is the difference between the observed proportions divided by the standard error when the hypothesis being tested is there is no difference between the two proportions.

Retrieved from "https://en.wikibooks.org/wiki/Statistics/Testing_Data/z-testsprop2"