This pie chart shows the proportions of the different shoe sizes worn by 144 students in one year group in a school 3 4 11 12 45 5 6 60 120 80 9 10 7 8 a What is the angle of the sector representing shoe sizes 11 and 12 b How many students had a shoe size of 11 or 12 This pie chart shows the propo...

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Statistics for Business Decision Making and Analysis

ISBN: 978-0134497167

3rd edition

Authors: Robert A. Stine, Dean Foster

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