Inference for Categorical Data — Chi-Square
Statistics · AP · AP
Identify questions suggested by variation between observed and expected counts in categorical data.
Objectives
- Identify questions suggested by variation between observed and expected counts in categorical data.
- Describechi-square distributions.
- Calculate the appropriate statisticforthechi-square testforgoodnessoffit.
- Calculate expected counts fortwo-waytablesof categorical data.
- Identify the null and alternative hypotheses forachi-squaretest for homogeneity or independence.
- Carrying Out a Chi-Square Test for Homogeneity or Independence
Study materials
- Practice testComing soon