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Correlation Coefficient


Videos and lessons with examples and solutions to help High School students learn how to compute (using technology) and interpret the correlation coefficient of a linear fit.





 

Common Core: HSS-ID.C.8

The following figures show examples of graphs with strong positive correlation, weak positive correlation, no correlation, strong negative correlation, weak negative correlation and their correlation coefficient. Scroll down the page for examples and solutions.

Correlation Coefficient

Interpreting the Correlation Coefficient
This video will show how to interpret the meaning of the correlation coefficient when a data set is described by a line of best fit.



Correlation Coefficients in SPSS/PASW
A short tutorial on calculating a correlation matrix in SPSS (also known as PASW). Describes the range and strength of associations, as well as positive and negative associations. Also describes the pearson correlation (r), the significance level (p), and the sample size (n). Using Excel to find the Correlation Coefficient r
This video podcast shows how you can use Microsoft Excel to calculate the Pearson product-moment correlation coefficient, r. This tutorial will explain in details how to use all the formulas in Excel to get to r, rather than explain the short Excel function of correlation coefficient, r. Find the Correlation Coefficient on Your Calculator (TI83, TI84)
Before you can find the correlation coefficient on your calculator, you must turn diagnostics on. After this, you just use the linear regression menu. Find value of linear correlation coefficient r


Rotate to landscape screen format on a mobile phone or small tablet to use the Mathway widget, a free math problem solver that answers your questions with step-by-step explanations.


You can use the free Mathway calculator and problem solver below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.


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