correlation p 2

correlation p 2 - Quantitative Methods Correlation, Part II...

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  © John M. Ackroff 2008 Quantitative Methods Correlation, Part II
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  © John M. Ackroff 2008 Correlation, Part 2 How can we tell how strong a correlation  is?
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  © John M. Ackroff 2008 Frequency Distributions Give us a way to organize and  characterize the data. The frequency distributions we looked  at dealt with how one variable was  distributed. The frequency distributions gave us an  idea of how the variable was distributed.
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  © John M. Ackroff 2008 Bivariate Frequency Distributions. Bivariate frequency distributions show  how two variables are distributed as a  function of one another. When we talk about correlation, we’re  talking about bivariate frequency  distributions.
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  © John M. Ackroff 2008 Bivariate Frequency Distributions
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  © John M. Ackroff 2008 Bivariate Frequency Distributions Note that the plot shows general  direction of the relationship. Note that this gives us most, but not all, 
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correlation p 2 - Quantitative Methods Correlation, Part II...

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