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dictionary.com

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Dictionary.com | Meanings & Definitions of English Words

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The world's leading online dictionary: English definitions, synonyms, word origins, example sentences, word games, and more. A trusted authority for 25+ years!

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Math is fun

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Math explained in easy language, plus puzzles, games, worksheets and an illustrated dictionary. For K-12 kids, teachers and parents.

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NetMBA Business Knowledge Center, operated by the Internet Center for Management and Business Administration, Inc.

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Google Images. The most comprehensive image search on the web.

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Scatter plots: studying, shoe size, and test scores

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Sal answers a question about scatter plots that show the relationship between study time, shoe size, and test score.

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When there is a non linear function and both variables are close to zero or even to zero

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The capacity of one variable to influence the other variable

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if the linear correlation coefficient takes values close to 0, the correlation is weak

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a statistical technique which tells us if two variables are related

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A value that "lies outside"(is much smaller or larger than) most of the other  values in a set of data

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When data seems to be "gathered" around a particular value

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A line on a graph showing the general direction a group of points seem to be heading

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When there is no apparent relationship between the two variables

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for any two variables X,Y  an increase in X is associated with a decrease in Y

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A positive correlation is when both variables move in the same direction

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a graphic representation of a  bivariate set of points in the plane

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clustering data points along a line

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Individual facts or statistics or items of information