A B C D E Participant Hours of Exercise Per Week X-Mx (x-Mx)^2 Zx -0.13 0.0169 4 -4.13 17.0569 3 5 -3.13 9.7969 4 6 -2.13 4.5369 -4.13 17.0569 -5.13 26.3169 -6.13 37.5769 BOONTONWA 13.87 192.3769 4.87 23.7169 -6.13 37.5769 11 -0.13 0.0169 12 15 6.87 47.1969 13 5 -3.13 9.7969 14 -1.13 1.2769 15 18 9.87 97.4169 SSx= 521.7335 SX= S= + Calculate Mean 8.13 Calculate SSX 521.7335 Calculate Variance Calculate standard deviation Calculate Z-scores