Calculate the mean and standard deviation. 

Table C Drop height, Hi (m) First bounce height (m) Mean bounce Standard height, H2 (m) Trail Trail deviation, OH2 (m) Trail Trail Trail 5 1 2 3 4 1.0 0.74 0.75 0.76 0.74 0.75 0.9 0.66 0.69 0.68 0.66 0.65 Golf ball 0.8 0.60 0.62 0.61 0.60 0.64 0.7 0.54 0.55 0.55 0.52 0.54 0.6 0.44 0.45 0.44 0.46 0.42