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In an increasingly data-driven world, it is more important than ever for students as well as professionals to better understand basic statistical concepts. 100 Questions (and Answers) About Statistics addresses the essential questions that students ask about statistics in a concise and accessible way. It is perfect for instructors, students, and practitioners as a supplement to more comprehensive materials, or as a desk reference with quick answers to the most frequently asked questions.
What Is the Most Direct Way to Interpret the Value of a Correlation Coefficient?
What Is the Most Direct Way to Interpret the Value of a Correlation Coefficient?
The correlation coefficient is a numerical value that indicates the degree of relationship between two variables. The value of any correlation coefficient ranges from –1.00 (a perfectly indirect or negative correlation) to +1.00 (a perfectly direct or positive correlation). But how does one interpret this value? What does it mean?
The most direct way to interpret a correlation coefficient is to use the following table. This will give you a quick assessment of the strength of the correlation.
If the absolute value of the correlation coefficient ranges from . . . | The relationship between the variables is . . . |
.8 to 1.0 | Very strong |
.6 to .8 | Strong |
.4 to .6 | Moderate |
.2 to .4 | Weak |
.0 to .2 | Absent |
While using the ...
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