A class of 18 students took an exam and the average (mean) score was 75, with a standard deviation of 10 points Th next day, George took the exam and scored 89 What was the new mean score for the class, including George Did the standard deviation change If so, will the new standard deviation be gr...

Calculation of new mean as per details given in the questio ...

A class of 18 students took an exam and the average (mean) score was 75, with...

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Algebra and Trigonometry

ISBN: 978-1337271172

10th edition

Authors: Ron Larson

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Posted Date: May 19, 2022 01:20 AM

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A class of 18 students took an exam and the average (mean) score was 75, with...

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