Two examiners are marking an examination paper, and it is believed that examiner A is more strict
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Two examiners are marking an examination paper, and it is believed that examiner A is more strict than examiner B. The results from several papers are added together for each examiner, and presented in the following table.
Test the claim at the 5% significance level, assuming that the marks are normally distributed with a standard deviation of 15.
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Related Book For
Cambridge International AS & A Level Further Mathematics Coursebook
ISBN: 9781108403375
1st Edition
Authors: Lee Mckelvey, Martin Crozier
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