The Table below shows the data collected on a urban highway in Accra during a speed study. Develop the frequency histogram and the frequency distribution of the data and determine: i. The arithmetic mean speed i. The standard deviation i. The median speed iv. The mode or modal speed v. The 85th-percentile speed *use the intervals of 34 - 35.9, 36 – 37.9, 38 – 39.9 and so on.. Speed Speed (km/h) Speed (km/h) Car Speed | (km/h) Car Car Car No. No. (km/h) No. No. 35.1 23 46.1 45 47.8 67 56.0 44.0 24 54.2 46 47.1 68 49.1 3 45.8 44.3 25 26 27 52.3 57.3 46.8 47 34.8 52.4 49.1 49.2 56.4 69 48 70 36.3 49 71 48.5 50 51 52 6. 54.0 28 57.8 37.1 72 45.4 29 30 31 73 74 42.1 36.8 65.0 48.6 50.1 51.8 55.8 43.3 49.5 52.2 52.0 53 54 75 498 10 50.8 32 55.3 48.4 76 77 63.4 55 56 57 S8 11 38.3 33 390 42.8 60.1 12 13 34 35 36 44.6 53.7 49.5 78 488 45.2 41.1 79 52.1 48.7 40.8 48.6 14 54.5 41.2 80 55.1 50.2 54.3 15 37 51.6 59 48.0 81 61.8 16 17 38 39 40 51.7 50.3 58.0 82 83 84 566 48.2 60 61 49.0 18 19 45.4 59.8 62 41.8 62.1 55.2 41 40.3 63 48.3 RS 53.3 20 21 22 45.7 54.1 42 55.1 45.0 45.9 44.7 53.4 64 65 86 43 54.0 44 48.3 66 49.5
The Table below shows the data collected on a urban highway in Accra during a speed study. Develop the frequency histogram and the frequency distribution of the data and determine: i. The arithmetic mean speed i. The standard deviation i. The median speed iv. The mode or modal speed v. The 85th-percentile speed *use the intervals of 34 - 35.9, 36 – 37.9, 38 – 39.9 and so on.. Speed Speed (km/h) Speed (km/h) Car Speed | (km/h) Car Car Car No. No. (km/h) No. No. 35.1 23 46.1 45 47.8 67 56.0 44.0 24 54.2 46 47.1 68 49.1 3 45.8 44.3 25 26 27 52.3 57.3 46.8 47 34.8 52.4 49.1 49.2 56.4 69 48 70 36.3 49 71 48.5 50 51 52 6. 54.0 28 57.8 37.1 72 45.4 29 30 31 73 74 42.1 36.8 65.0 48.6 50.1 51.8 55.8 43.3 49.5 52.2 52.0 53 54 75 498 10 50.8 32 55.3 48.4 76 77 63.4 55 56 57 S8 11 38.3 33 390 42.8 60.1 12 13 34 35 36 44.6 53.7 49.5 78 488 45.2 41.1 79 52.1 48.7 40.8 48.6 14 54.5 41.2 80 55.1 50.2 54.3 15 37 51.6 59 48.0 81 61.8 16 17 38 39 40 51.7 50.3 58.0 82 83 84 566 48.2 60 61 49.0 18 19 45.4 59.8 62 41.8 62.1 55.2 41 40.3 63 48.3 RS 53.3 20 21 22 45.7 54.1 42 55.1 45.0 45.9 44.7 53.4 64 65 86 43 54.0 44 48.3 66 49.5
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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