Data Se? Fan Angle Delta Time 1 Delta Time 2 Delta Time 3 mean time acceleration 5 s s s) mils2 0 2.62 2.43 2.56 2.53.7 0.292 15 2.63 2.62 2.62 2,623 0.273 30 2.94 2.91 3.18 3.010 0.208 45 3.41 3.5 3.31 3.40.7 0.162 60 4.9 4.62 4.57 469.7 0.085 75 11.75 9.82 10.23 10.600 0.017 Fan angle: 6 = 30 degrees Mean of time: t = N f _ (2.94 + 2.91 + 3.18) 3 f = 3.0105 Standard Deviation of time: Eilti fl 6t = N (2.94I+ 2.91 + 3.18) 3.010 6t 2 f (St = 2.0073