please answer all the parts in problem 5 J chegg Study l Guided S × Course Repor

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please answer all the parts in problem 5

J chegg Study l Guided S × Course Report 1 Mathlyi × * Cumulative Chapter Two x mathlynx.com/online/collabstat descriptive eval-cum?mode-eval&course-id;=71 Problem5 In a recent issue of the JEEE Spectrum, 87 engineering conferences were announced. scheduled to last various numbers of days: Here is a table indicating how many conferences were Of days of conferences 14 1B a (20%) Fill in the five values defining the box-and-whisker plot below. BCD C= E= D.(10%) The 65th percentile is (10%) The 10th percentile is (2096) The middle 50% of the conferences last from to days e(20%) The sample mean of the conference lengths is (20%) The mode of the conference lengths is Descriptive Statistics Evaluation 5 Topics in Probablity Pritter-friendy versicn rP 809 AM 2//2018 Type here to search

Explanation / Answer

putting above in ascending order:

a)A =minimum =5

B=1st quartile=(n+1)/4 th value =(9+1)/4 th value =2.5 th value =5+0.5*(6-5)=5.5

C =2nd  quartile=median =(n+1)/2 th value =(9+1)/2 th value =5h value =9

D =3rd  quartile=3(n+1)/4 th value =3*(9+1)/4 th value =7.5th value =11+0.5*(14-11)=12.5

E=maximum =18

b) 65th percentile =(n+1)*pth value =(9+1)*0.65 =6.5 th value =11

c)10th percentile ==(n+1)*pth value =(9+1)*0.1 th value =1st value =5

d) middle 50% of the ... from 5.5 to 12.5 days

e) sample mean =9.6667

f) mode =5,11

S. No X 1 5 2 5 3 6 4 8 5 9 6 11 7 11 8 14 9 18

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