using 6 intervals. (If you wish, you can first create frequency table. 92 48 91
ID: 3362612 • Letter: U
Question
using 6 intervals. (If you wish, you can first create frequency table. 92 48 91 53 88 56 85 2 84 65 40 2969 77 71 74 76 74 74 (a) determine the (a) decs(c) identify the midpoint of each interval (d) find the percentage of the size of the class intervals(b) indicate the upper and lower lower class las interval (e) find the cumulative percentage of each class interval and ch find the cumulative frequency of each class interval. Please o information in the manner we did in class so your work will be easy to read as well as grade. percentage of rganize your X Consider the following set of final exam scores in statistics. If your score was 75, what is your percentile rank? Class Interval 90-99 80-89 70-79 60-69 50-59 10 10 40 49 N-48Explanation / Answer
Number of students who score less that 75 = 5 + 8 + 10 + 10/2
= 28
Percentile rank = (28/48)x100 = 58.33
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