A researcher determines that the linear correlation coefficient is 0.85 for a paired data set. this indicates that there is a strong positive linear correlation.
What is Strong Positive Linear correlation?
Strong positive correlation: When the value of one variable increases, the value of the other variable increases in a similar fashion.
For example, the more hours that a student studies, the higher their exam score tends to be. Hours studied and exam scores have a strong positive correlation.
The value of a correlation coefficient ranges between -1 and 1.
The greater the absolute value of a correlation coefficient, the stronger the linear relationship.
The correlation between two variables is considered to be strong if the absolute value of r is greater than 0.75. However, the definition of a “strong” correlation can vary from one field to the next.
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