MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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Many supermarket chains and large retailers such as Tesco, Sainsbury’s and B&Q have installed self- checkout systems so shoppers can scan their own items and cash out themselves. How do customers like this service and how often do they use it? Listed below is the number of customers using the service for a sample of 15 days at the Sainsbury’s branch in Whitechapel:
120 108 120 114 118 91 118 92 104 104 112 97 118 108 117
Is it reasonable to conclude that the
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