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 value of the TEST STATISTIC? ______________________________ Note: Enter XXX.XX AT LEAST ONE DIGIT BEFORE THE DECIMAL, TWO AFTER and round up. Thus, 134.784 is entered as 134.78, 35.295 is entered as 35.30, .2749 is entered as 0.27, -.5650 is entered as -0.57