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edagen Return to Blackboard n, Introductory Statistics, 9e I System Announcement

ID: 3317272 • Letter: E

Question

edagen Return to Blackboard n, Introductory Statistics, 9e I System Announcements SIGNMENT RESOURCES mework Ch 3 Chapter 03, Section Chapter 03, Section 3.5, Problem 069a 009The following data give the speeds of 13 cars, measured by radar, traveling on 1-84. Chapter 03 Section Chapter 03, Section 3.2, Probilem 032 73 75 69 68 78 69 74 76 72 83 63 77 71 Chapter 03, Section .2 Problern 04 Chapter 03, Section Find the values of the three quartiles and the interquartile range. Ohapter 03, Section Chapter 03, Section Chapter.03. Section Problem 06 Chapter 03, Section 3.4 Problem 062t Chapter 03, Sectio apter. 03. Section 3.5, Problem 052% hepter 03, Section hapter Q3. Section .5, Go Tutorial hapter 03, Section haoter 03, By accessing this Question Assistance, you will learn while you earn points based on the Point Potential Polic ew Score ew Results by Study ctive by MapleNet

Explanation / Answer

putting data into ascending order

Q1 =(n+1)/4 th value =(13+1)/4 th value =3.5 th value =(69+69)//2 =69

Q2=(n+1)/2 th value =(13+1)/2 th value =7 th value =73

Q3 =3*(n+1)/4 th value =3*(13+1)/4 th value =10.5 th value =(76+77)/2 =76.5

IQR =Q3-Q1 =76.5-69=7.5

S no X 1 63 2 68 3 69 4 69 5 71 6 72 7 73 8 74 9 75 10 76 11 77 12 78 13 83