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Difference of Two Means Hypothesis Testing and Condence Intervals I Separate the observations of individuals for fathers years of schooling (sohi'ath) and mothers years of schooling (schmoth) into two randomly selected samples of 100 based on the rst 200 individuals and use these variables to test at the 10% level of signicance if an individuals father and mother had the same years of schooling on average (hint: these are not the same individuals) 0 Test at the 10% level of signicance an individuals father and mother had the same years of schooling on average by taking the rst 100 randomly selected individuals (hint: these are the same individuals)