Elementary Statistics: Picturing the World (6th Edition)

Published by Pearson
ISBN 10: 0321911210
ISBN 13: 978-0-32191-121-6

Chapter 2 - Descriptive Statistics - Technology - Exercises - Page 123: 1

Answer

$3905/100 = 39.05$

Work Step by Step

1. Find the sample mean (average) of the data. First step: Add the rows together, one by one. 30 30 30 60 40 30 40 = 260 30 40 15 30 30 90 30 = 265 30 60 60 30 60 30 100 = 370 30 30 60 30 60 60 30 = 300 30 30 30 40 105 60 40 = 335 15 30 30 30 15 30 60 = 210 60 30 40 40 40 60 40 = 310 30 30 30 60 30 30 60 = 270 30 30 30 60 40 40 40 = 270 30 100 30 30 30 30 30 = 280 40 15 30 30 60 30 30 = 235 40 30 40 40 60 30 30 = 270 30 30 40 40 30 30 30 = 230 30 30 30 60 30 30 30 = 240 30 30 = 60 ---------------------------------- = 3905 Second Step: Take the fines (in Canadian dollars), 3905, divided by 100 parking infractions. $3905/100 = 39.05$
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