lecture11 - This lecture set considers chapter 12 I...

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This lecture set considers chapter 12 I recommend doing all of the odd numbered questions since the answers are in the text Do not focus on the questions that require you to construct a plot… interest lies in the interpretation
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60 70 80 90 100 0 2 4 6 8 10 12 14 Exam 1 Grades Count Exam Grades from a Stats Class
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60 70 80 90 100 0 2 4 6 8 10 Exam 1 Grades Count Exam Grades for Undergraduates
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60 70 80 90 100 0 2 4 6 8 Exam 1 Grades Count Exam Grades for Graduate Students
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Last day, computed some descriptive statistics
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5 number summary often reported: Min, Q 1 , 2 (Median), 3 , and Max Summarizes both center and spread What proportion of data lie between and ?
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Displays 5-number summary graphically Box drawn spanning quartiles Line drawn in box for median Lines extend from box to max. and min values. Some programs draw whiskers only to 1.5*IQR above and below the quartiles
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Can compare distributions using side-by-side box-plots What can you see from the plot? 60
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This note was uploaded on 03/10/2011 for the course STAT 100 taught by Professor D during the Spring '11 term at Simon Fraser.

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lecture11 - This lecture set considers chapter 12 I...

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