A teacher recorded the quiz marks of eight students as 11, 13, 15, 15, 17, 18, 19
Question:
A teacher recorded the quiz marks of eight students as 11, 13, 15, 15, 17, 18, 19 and 20.
They later realised that there was a typing error, so they changed the mark of 11 to 1.
Investigate what effect this change has on the mode, mean and median of the students’ marks.
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Step by Step Answer:
The mode of a set of numbers is the number that appears most frequently In this case 15 ...View the full answer
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Related Book For 
Cambridge International AS & A Level Mathematics Probability & Statistics 1 Coursebook
ISBN: 9781108407304
1st Edition
Authors: Dean Chalmers, Julian Gilbey
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