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9_8_11_Xsquared_2sample - Mini-project#1 Descriptive...

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Mini-project #1 Descriptive statistics Please see handout and data file on Blackboard CE4001 Transportation Safety 1
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CE4001 Transportation Safety 2 df\ area 0.995 0.990 0.975 0.950 0.900 0.750 0.500 0.250 0.100 0.050 0.025 0.010 0.005 1.000 0.000 0.000 0.001 0.004 0.016 0.102 0.455 1.323 2.706 3.841 5.024 6.635 7.879 2.000 0.010 0.020 0.051 0.103 0.211 0.575 1.386 2.773 4.605 5.991 7.378 9.210 10.59 7 3.000 0.072 0.115 0.216 0.352 0.584 1.213 2.366 4.108 6.251 7.815 9.348 11.34 5 12.83 8 4.000 0.207 0.297 0.484 0.711 1.064 1.923 3.357 5.385 7.779 9.488 11.14 3 13.27 7 14.86 0 5.000 0.412 0.554 0.831 1.145 1.610 2.675 4.351 6.626 9.236 11.07 1 12.83 3 15.08 6 16.75 0 6.000 0.676 0.872 1.237 1.635 2.204 3.455 5.348 7.841 10.64 5 12.59 2 14.44 9 16.81 2 18.54 8 7.000 0.989 1.239 1.690 2.167 2.833 4.255 6.346 9.037 12.01 7 14.06 7 16.01 3 18.47 5 20.27 8 8.000 1.344 1.647 2.180 2.733 3.490 5.071 7.344 10.21 9 13.36 2 15.50 7 17.53 5 20.09 0 21.95 5 9.000 1.735 2.088 2.700 3.325 4.168 5.899 8.343 11.38 9 14.68 4 16.91 9 19.02 3 21.66 6 23.58 9 10.00 0 2.156 2.558 3.247 3.940 4.865 6.737 9.342 12.54 9 15.98 7 18.30 7 20.48 3 23.20 9 25.18 8 11.00 0 2.603 3.053 3.816 4.575 5.578 7.584 10.34 1 13.70 1 17.27 5 19.67 5 21.92 0 24.72 5 26.75 7 12.00 0 3.074 3.571 4.404 5.226 6.304 8.438 11.34 0 14.84 5 18.54 9 21.02 6 23.33 7 26.21 7 28.30 0 13.00 0 3.565 4.107 5.009 5.892 7.042 9.299 12.34 0 15.98 4 19.81 2 22.36 2 24.73 6 27.68 8 29.81 9 14.00 0 4.075 4.660 5.629 6.571 7.790 10.16 5 13.33 9 17.11 7 21.06 4 23.68 5 26.11 9 29.14 1 31.31 9 15.00 0 4.601 5.229 6.262 7.261 8.547 11.03 7 14.33 9 18.24 5 22.30 7 24.99 6 27.48 8 30.57 8 32.80 1
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CE4001 Transportation Safety 3 Example: variability of speed radar Factors affecting accuracy of speed radars?
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CE4001 Transportation Safety 4 Example: variability of speed radar several factors affect accuracy of speed radars: frequency of the antenna beam angle % trucks weather opposing traffic
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CE4001 Transportation Safety 5 Example A city will only install red-light running cameras if the radar has a variance of less than 1 mph at 5% significance level.
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CE4001 Transportation Safety 6
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