The following three independent random samples are obtained from three normally distributed populations with equal variance.The dependent variable is starting hourly wage, and the groups are the types of position (internship, co-op, work study).

Group 1: Internship Group 2: Co-op Group 3: Work Study 10.75 10.75 10 10.5 10.5 11.25 10.5 9.75 12.25 10.5 10 9.75 10.5 11.75 11.5 9.75 10.5 13.25 9.5 11.5 12 10.75 10.25 11 9.75 11.75 10.75 11 11.25 10.5