A.P. Statistics – Intro to Statistics (Chapter One) Key Words

A.P. Statistics – Intro to Statistics (Chapter One) Key Words

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A.P. Statistics – Intro to Statistics (Chapter One) Key Words round off error the error that occurs when the percents don't add up to 100% pie chart This must include all the categories that make up a whole. Use this only when you want to emphasize each category's relation to the whole. It is awkward to make by hand, but computers do it easily. stem plot Represents data by separating each value into two parts: the steam (left digit) and leaf (right digit). clusters these form when there is a gap between the data back-to-back stem plot use this when you want to compare two related distributions splitting stems doubling the number of stems in a plot into two
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Unformatted text preview: trimming removing the last digit or digits before making a stem plot histogram This breaks the range of values of a variable into classes and displays only the count or percent of the observations that fall into each class. frequencies the counts of the number of individuals in each class frequency table table of frequencies overall pattern generalization of the graph's shape deviation how far each data value is from the mean shape, center, and spread the three descriptions of the overall pattern of distribution outlier an individual value that falls outside the overall pattern...
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  • Summer '14
  • Kelley
  • Statistics, Bar chart, Statistical charts and diagrams, overall pattern

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