
Chapter 13
PB
Hypothesis Testing for Categorical Data (Chi-Square Test)
481
13.3.2 Hypothesis Testing for a Population Proportion Using
χ
2
Goodness-of-Fit Test as an Alternative Technique to the
z
-Test
In Chapter 10, we discussed the z-Test for a population proportion for np ≥ 5 and nq ≥ 5. This
formula can be presented as below: