The scores of the Basic Statistics students on the Final examination are distributed as follows: Scores a. Find the S, and s. 90-94 85-89 2 80-84 3 75-79 10 70-74 10 65-69 28 60-64 10 55-59 9 50-54 5 45-49 4 40-44 2 35-39 117 18 19 A survey on the study habits of school children reveals the number of hours they spent studying per week. The data are as follows: 20 Hours per 21 Week a. Compute the Q. 22 35-39 10 23 30-34 69 b. P20, P30, P60, P78, Pgo 24 25-29 130 25 20-24 85 26 15-19 80 27 10-14 21 28 5-9 9 29 30