The following data were collected to determine whether or not the retirement age is the same for people in different professions. To see if these results are unusual, will you test goodness-of-fit, homogeneity, or independence?

Choose the best answer below:

A. Independence

B. Goodness-of-fit

C. Homogeneity

Age at Retirement 50-55 56-60 61-65 Over 65 Total Attorney 10 40 75 40 165 Career College 5 30 80 60 175 Professor Secretary 21 45 63 49 178 Store Clerk 18 44 70 50 182 Total 54 159 288 199 700