Assignment Part 1: T Test Using Formula A researcher is interested in whether union workers eamed significantly higher wages than nonunion workers. She interviewed 12 union workers and 15 nonunion workers. Their hourly wages are shown below (XI = hourly wages of union workers, X2 - hourly wages o Dommian workers). Test if the research hypothesis Ha (Union works earned significantly higher wages than nonunion workers) is true. 1. Fill out the table: F(XI), FO , F12), F(X2), EF(), EF(X1) ; >F(22), and EF(X2) = (10 points) Union Workers Nonunion Workers XI F F(XI) F(XD) F F(X2) (N of (N of wages $ workers) Wages $) workers) 14 15 2 11 16 3 12 17 13 13 2 14 19 15 N-12 EFXE N - 15 EF(X28 SFOO) LE 2. Find the means (show your work): 7 = Mean for union workers: Mean for nonunion workers: |