1. The food services divivion of Legoland Mulugsin is irsdying the amount of money spent per a. Identify the variable of interest in this ghady: b. Organize the data into a Hess than" frequency using cqual class width of 40 and stant with [6] 50. c. Set up a percentage distribution and a cumblative percentage distribution based on the "less than" frequency distribution in part (a). d. Draw a percentage histogram based on the percentage distribution in part (b). [4] c. Where do the data tend to concentrate? f. Find the probability that two unrelated families spent at least RM210 on food and drink per day. [3] g. 40% of the customers who spent at least RM210 are the visitors from Hong Kong. find the probability that a randomly chosen family is from Hong Kong and spent at least RM210 on food and drink. [4] h. It is known that X 1 = 6651 and ( X 1 X ) 2 = 65661.96 . compute the mean and standard deviation in amount of money spent on food and drink. [ 4 ] i. Compute the median amount spent on food and drink. [2] j. Discuss the shape of the distribution of amount of money spent on food and drink, in terms of skewness. k. The amount of money spent on food and drink of a sample of 50 families who visited Universal Studio Singapore yesterday in Singapore Dollar (SGD) has a mean of SGD62.5 and a standard deviation of SGD17.32. Which of the two amusement parks has family customers with more consistent spending on food and drink? [4].