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P Do Homework - Ryan Liska - Google Chrome Secure | https://www.mathxl.com/Student/PlayerHomework.aspx?homeworkld-465647730&questi; a Business Statistics S Spring 2018 Homework: Chapter 3 Review Homework Save Score: 0 of 1 pt 10 of 11 (9 complete) | score: 56.82%, 6.25 of 11 pts 3.5.39 Question Help Consider the following data set 103 82 65 115 60 149 121 145 89 132 74117 a) Determine the percentile rank for 100. b) Determine the percentile rank for 80 c) Determine the percentile rank for 120 a) The percentile rank for 100 is Round to the nearest whole number as needed.) Enter your answer in the answer box and then click Check Answer parts remaining Clear All Check Answer

Explanation / Answer

PR% = L + ( 0.5 x S ) / N Where, L = Number of below rank, S = Number of same rank, N = Total numbers.

a. Determine the percentile rank for 100

N=12, L=5 and S=0

Hence PR%=5+(0.5*0)/12=0.4167

Hence percentile rank is 41.67%

b. Determine the percentile rank for 80

N=12, L=3 and S=0

Hence PR%=3+(0.5*0)/12=0.25

Hence percentile rank is 25%

c. Determine the percentile rank for 120

N=12, L=8 and S=0

Hence PR%=8+(0.5*0)/12=0.6667

Hence percentile rank is 66.67%

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