l. The following summarizes the scores obtained by 100 students on a questionnaire designed to measure managerial ability (a high score indicates a high level of ability.) Managerial Ability Frequency 23 5 45 15 67 20 89 25 1011 15 1213 10 1415 5 1617 S a) Construct the relative frequency distribution table. b) What measurement class contains the highest proportion of test scores? c) Construct a less than cumulative distribution table. d) What proportion of the scores are higher than 1 1.5