Parking is typically an issue for the customers in locating a parking spot and being able to quickly exit a lot at busy times. A parking manager wants to analyze these problems by collecting data for sixty days. The number of vehicles and the total parking charges (in RM) are summarised in the following table. Total of Parking Charges (in RM) Number of Vehicles 500 700 450 1570 1515 2690 400 500 650 2705 1259 1952 450 800 800 3593 2045 2531 600 600 450 1952 1895 3920 350 400 500 1531 3110 2150 550 550 800 2546 2590 1391 650 650 700 2930 2840 1952 600 600 850 2705 1920 1420 450 450 500 1593 2560 3531 700 700 350 1570 1555 2570 450 450 550 3705 2105 2705 60 600 500 2593 3920 119 550 550 400 2555 3150 2546 500 450 850 1570 2391 1920 500 500 750 2705 1230 2560 350 400 450 3213 2503 3555 750 750 750 1952 2690 2100 800 800 650 3531 1570 2942 650 600 500 3230 1705 1952 700 550 400 2503 3593 2531 (a) Estimate the mean and standard deviation of the number of vehicles. (b) Calculate the mean and standard deviation of the total parking charges. Suppose the minimum total of parking charges daily is RM 1850, how many days the total parking charges are less than that amount. (d) (c) Which type of graph is more informative for presenting the number of vehicles and the total parking charges? Then, plot all these data in the chosen type of graph in the same axes. (e) Discuss the finding of the graph based on an explanation of your result from (a), (b), and (c). Con (f classes beginning at 350. Determine the proportion of days that the number of vehicles is more than 650. relative frequency distribution for the number of vehicles with eleven (g) (h) Obtain the percentage that the number of vehicles is less than the mean of vehicles. (i) If the total parking charges for another 30 days is RM 75 000, find the mean of the total parking charges.

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