Suppose the mean height of n=31 male business executives is x-bar= 69 inches and the standard deviation is assumed known with =3 inches. Suppose the heights of average male is 70 inches, can we conclude that business executives are shorter than average males? Use =0.05, the 5% level of significance. | What is the Table A2 CRITICAL VALUE for the problem? Note Answer Input Format for Critical Values. ______________________________ Note: Enter X.XX AT LEAST ONE DIGIT BEFORE THE DECIMAL, TWO AFTER and round up. Thus, 1.645 is entered as 1.65, -2.326 is entered as -2.33, 2.054 is entered as 2.05, -1.282 is entered as -1.28