HW2Q5.xlsx - Speed Interval 15-20 20-25 25-30 30-35 35-40 40-45 45-50 50-55 55-60 60-65 Total N uavg Standard deviation Vehicles Observed(fi obs in each

HW2Q5.xlsx - Speed Interval 15-20 20-25 25-30 30-35 35-40...

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Speed Interval # Vehicles Observed (fi) % obs in each class Cumulative % 15-20 0 0.0% 0.0% 20-25 4 2.4% 2.4% 25-30 9 5.3% 7.7% 30-35 18 10.7% 18.3% 35-40 35 20.7% 39.1% 40-45 42 24.9% 63.9% 45-50 32 18.9% 82.8% 50-55 20 11.8% 94.7% 55-60 9 5.3% 100.0% 60-65 0 0.0% 100.0% Total N 169 1 100.0% uavg 42.0562130177515 42.1 Standard deviation 8.12539961520258
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Midpoint (ui) fi*ui (ui-uavg)^2 fi*(ui-uavg)^2 17.5 0 603.007598 0 22.5 90 382.445468 1529.781870383 27.5 247.5 211.883337 1906.950036763 32.5 585 91.3212072 1643.781730332 37.5 1312.5 20.7590771 726.5676972095 42.5 1785 0.19694689 8.271769195756 47.5 1520 29.6348167 948.3141346592 52.5 1050 109.072687 2181.453730612 57.5 517.5 238.510556 2146.595007178 62.5 0 417.948426 0 7107.5 11091.71597633
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Speed # Vehicles Observed (fi)
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