Measurement and Descriptive Statistics with SPSS: Descriptive Statistics and Plots
Now we expand our discussion of frequency distributions to include frequency tables, which are constructed in very similar ways for all four types of measurement. A difference is that with nominal data, the order in which the categories are listed is arbitrary. In Fig. 3.3, the frequency table listed protestant, catholic, and then not religious. However, protestant could be put after or between catholic and not religious because the categories are not ordered. In ordinal and approximately normal data, the order cannot vary (e.g., medium always should be between low and