A random sample of 35 homeowner from Resident and their age were recorded. The results are summarized in stem and leaf diagram below: i) ii) iii) 2 3 4 5 0 0 6 2 5 70 5 8 94 9 2 5 6 7 8 8 9 1 2 1 1 0 1 2 3 4 4 5 6 7 47 5 6 6 5 5 Key: 611 means 61 years Developed a frequency distribution table with a class width of 10 and begin the first-class interval with 20 for Resident A. (2 marks) Calculate the mean and standard deviation of the age of homeowner in Resident A based on the answer in part (i). (5 marks) Construct a less than ogive from (i). (3 marks)