The table below shows the distribution of students' marks in a statistics examination Marks 30 39 40 49 50 59 60 69 70 79 80 89 90 99 Freq 5 8 21 15 12 7 9 (a) Let A 54 5,use the coding formula method to calculate (i) The mean marks of the students (ii) The standard deviation of the students marks...

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The table below shows the distribution of students' marks in a statistics examination: Marks 30-39 40-49...

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Introduction To Probability And Statistics

ISBN: 9781133103752

14th Edition

Authors: William Mendenhall, Robert Beaver, Barbara Beaver

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Posted Date: Jan 20, 2023 12:06 AM

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The table below shows the distribution of students' marks in a statistics examination: Marks 30-39 40-49...

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Introduction To Probability And Statistics

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