Statistics Question

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Let X denote the height of  20 to 29 year old man

and Y denote the height of 20 to 29 year old woman

 Then we are given, 

        μx=69.6   &  δx=3.0μy=64.1   &  δy=3.8

 Part a: At X = 73, Z = ?

                  Z=X-μxδx  =73-69.63   =1.13

 

Part b: At Y = 67, Z = ?

              Z=Y-μyδy  =67-64.13.8   =0.76

 

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