10a. Use the gss.sav data file to examine the relationship between education (degree) and perception of life (life).. Can you reject the null hypothesis that education and perception of life are independent? Make a bar chart that graphically summarizes your findings..

10b. Use the gssft.sav data file to answer the following: The variables husbft and wifeft tell you whether a husband and wife are employed full time. Use the sign test to test whether husbands and wives are equally likely to be employed full time. What do you conclude?

10d. Use the salary.sav data file to answer the folllowing: Use a nonparametric test to see whether current salaries (variable salnow) for clerical employees differ for the four gender/race groups (variable sexrace). Compare your results fromthose from a parametric analysis. Summarize your conclusions.

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