Look back at Table 5.3. What type of correlation coefficient would you use to examine the relationship between ethnicity (defined as different categories) and political affiliation (defined as Democrat, Republican, or unaffiliated)? How about club membership (yes or no) and high school GPA? Explain why you selected the answers you did.

Data From Table 5.3

Transcribed Image Text:

Table 5.3 Correlation Coefficient Shopping, Anyone? Level of Measurement and Examples Variable X Variable Y Type of Correlation Correlation Being Computed Phi coefficient The correlation between voting preference and sex Nominal (voting preference, such as Republican or Democrat) Nominal (social class, such as high, medium, or low) Nominal (family configuration, such as intact or single parent) Nominal (sex, such as male or female) Ordinal (rank in high school Rank biserial coefficient graduating class) Interval (grade point average) Point biserial The correlation between social class and rank in high school The correlation between family configuration and grade point average