ZProportionTest Command

ZProportionTest( <Sample Proportion>, <Sample Size>, <Hypothesized Proportion>, <Tail> )

Performs a one sample Z test of a proportion using the given sample statistics. Hypothesized Proportion is the population proportion assumed in the null hypothesis. Tail has possible values "<", ">" , "≠". These specify the alternative hypothesis as follows:

"<" = population proportion < _Hypothesized Proportion_
">" = population proportion > _Hypothesized Proportion_
"≠" = population proportion ≠ _Hypothesized Proportion_

Results are returned in list form as {Probability value, Z test statistic}.