1. Can we infer from the data that there are differences in the total unrealized capital gains (KGTOTAL) between the three industry classifications? 2. Is there sufficient evidence to conclude that...

1. Can we infer from the data that there are differences in the total unrealized capital gains (KGTOTAL) between the three industry classifications?

2. Is there sufficient evidence to conclude that there are differences in the years of education between American adults and their fathers and mothers (EDUC, PAEDUC, MAEDUC)?