# How to find r statistics

For the calculation of R squared, you need to determine the Correlation coefficient, and then you need to square the result. R Squared Formula = r2 Where r the correlation coefficient can be calculated per below: r = n (∑xy) – ∑x ∑y / √ ## 11. Correlation and regression

Looking at the top of the equation, we need to find the paired differences of x x and y y. Remember, the \sum ∑ is the symbol for adding. The top then just becomes (1-3) (2-4) + (2
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## Correlation Coefficient: Simple Definition, Formula, Easy Steps Determine math problem
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## How to find the correlation coefficient (r) using your graphing

It always lie between -1 and +1 which represented by -1 ≤ r (X, Y) ≤ 1. if r (X, Y) = 1 then the variables X and Y are positively correlated. if r (X, Y) = -1 then the variables X and Y are negatively correlated. if r (X, Y) = 0 then there is no

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## The Correlation Coefficient (r)

Step 2: Enter Data Enter your data into the calculator by pressing [STAT] and then selecting 1:Edit. To make things easier, you should enter all of your “x data” into L1 and all of your “y data” into

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