The Table below shows the data collected on a urban highway in Accra during a speed...

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The Table below shows the data collected on a urban highway in Accra during a speed study. Develop the frequency histo gram and the frequency distribution of the data and determine: i. The arithmetic mean speed ii. The standard deviation iii. The median speed The mode or modal speed The 85th-percentile speed iv. v. ** use the intervals of 34 - 35.9, 36 – 37.9, 38-39.9 and so on.... Car Speed Speed (km/h) Speed (km/h) Speed (km/h) Car Car Car No. (km/h) No. No. No. 46.1 54.2 35.1 23 45 47,8 67 56.0 44.0 24 46 47.1 68 49.1 45,8 25 52.3 57.3 47 34,8 69 49.2 44.3 26 48 52.4 70 56.4 36.3 54.0 27 46.8 49 49.1 37.1 71 72 48.5 6 28 57.8 50 45.4 7 42.1 50.1 29 36.8 51 65.0 73 486 30 55.8 52 49.5 52.2 74 52.0 S1.8 31 43.3 53 75 498 50.8 38.3 10 55.3 63.4 32 33 54 48,4 42.8 76 11 39.0 55 77 60.1 12 44.6 34 53.7 56 49.5 78 48 8 13 45.2 35 40.8 57 48.6 79 52.1 14 41.1 36 54.5 58 41.2 80 48.7 15 16 55.1 37 516 59 48.0 81 61.8 50.2 38 51.7 60 58.0 82 56.6 17 54.3 39 50.3 61 49.0 83 48.2 18 45.4 55.2 40 59.8 40.3 62 63 41.8 84 62.1 53.3 19 41 48.3 85 20 45.7 42 55.1 64 45.9 86 53.4 21 54.1 43 45.0 48.3 65 44.7 49.5 22 54.0 44 66 -234t507 The Table below shows the data collected on a urban highway in Accra during a speed study. Develop the frequency histo gram and the frequency distribution of the data and determine: i. The arithmetic mean speed ii. The standard deviation iii. The median speed The mode or modal speed The 85th-percentile speed iv. v. ** use the intervals of 34 - 35.9, 36 – 37.9, 38-39.9 and so on.... Car Speed Speed (km/h) Speed (km/h) Speed (km/h) Car Car Car No. (km/h) No. No. No. 46.1 54.2 35.1 23 45 47,8 67 56.0 44.0 24 46 47.1 68 49.1 45,8 25 52.3 57.3 47 34,8 69 49.2 44.3 26 48 52.4 70 56.4 36.3 54.0 27 46.8 49 49.1 37.1 71 72 48.5 6 28 57.8 50 45.4 7 42.1 50.1 29 36.8 51 65.0 73 486 30 55.8 52 49.5 52.2 74 52.0 S1.8 31 43.3 53 75 498 50.8 38.3 10 55.3 63.4 32 33 54 48,4 42.8 76 11 39.0 55 77 60.1 12 44.6 34 53.7 56 49.5 78 48 8 13 45.2 35 40.8 57 48.6 79 52.1 14 41.1 36 54.5 58 41.2 80 48.7 15 16 55.1 37 516 59 48.0 81 61.8 50.2 38 51.7 60 58.0 82 56.6 17 54.3 39 50.3 61 49.0 83 48.2 18 45.4 55.2 40 59.8 40.3 62 63 41.8 84 62.1 53.3 19 41 48.3 85 20 45.7 42 55.1 64 45.9 86 53.4 21 54.1 43 45.0 48.3 65 44.7 49.5 22 54.0 44 66 -234t507