A researcher is interested in whether there really is a prevailing view that beautiful people are more friendly. A random sample of 80 individuals were asked the question, "Do you believe beautiful people are more friendly?" Forty-four of the respondents circled "yes" on the questionnaire and thirty-six circled "no." What is the appropriate analysis? a. Point Biserial correlation b. Phi correlation c. chi-square test for independence d. chi-square goodness of fit