Interpreting correlation in excel
[DOC File]Worksheet on Correlation and Regression
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correlation coefficient, is a measurement of how closely the best-fit line fits the data. A value of . r = 1 or –1 would say the line fits the data perfectly (perfect. correlation). A value of . r. that is greater than 0.8 is considered . strong . correlation. A value of . r. that is less than 0.5 is often considered . weak . correlation. A value of . r
Excel Correlation Analysis | Positive - Negative
Correlation is used in describing the strength of the relationship between two (or more) variables. It varies from a low of -1 (perfect negative correlation) to +1 (perfect positive relationship). A value of 0 means there is no correlation
[DOC File]lhsteacher.lexingtonma.org
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The correlation is positive when each variable tends to increase or decrease as the other does. The correlation is negative when one variable tends to increase as the other decreases. Data pairs that show a close relationship are said to be highly or strongly correlated.
[DOCX File]Correlation - University of Houston
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Correlation Coefficient WorksheetName: Calculator steps for creating a scatter plot: Stat. Edit – put x’s in L1 and y’s in L1. 2nd y = Choose first type of graph. Calculator steps for finding “r” and graphing: Stat. Calc #4 (LinReg) Vars. Y-vars. Y1. Enter. Enter. Once you have written the r value written down, press zoom 9 to graph ...
[DOCX File]Correlation Coefficient Worksheet
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Worksheet for Correlation and Regression (February 1, 2013). Part 1. Consider the following hypothetical data set. Here are data from four students on their Quiz 1 scores and their Quiz 5 scores and a graph where we connected the points by a line.
[DOC File]DISCUSS regression and correlation
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Rule of Thumb for Interpreting the Size of a Correlation Coefficient Size of Correlation Interpretation .90 to 1.00 (-.90 to –1.00) Very high positive (negative) correlation .70 to .90 (-.70 to -.90) High positive (negative) correlation .50 to .70 (-.50 to -.70) Moderate positive (negative) correlation .30 to .50 (-.30 to -.50) Low positive (negative) correlation .00 to .30 (.00 to -.30 ...
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