1. b) The scores of a basketball team in 20 matches were 60, 70, 80, 90, 72, 76, 90, 78, 98,65 88, 65, 85.94.78, 66, 74, 86, 92.98 Please construct a frequency distribution. Use 4 classes beginning with a lower class limit of 60 and a class width of 10. (10 marks)