The graph which shows a positive linear relationship with a correlation coefficient r is option C. Graph C
What is linear relationship?
"A linear relationship is a term used to describe a straight-line relationship between two variables."
Linear relationships can be expressed either in a graphical format or as a mathematical equation of the form y = mx + b where m is the slope, b is the y-intercept."
What is correlation coefficient?
"The correlation coefficient is the measure that gives the strength of the linear relationship between two variables in a correlation analysis."
What is positive linear relationship?
"If the slope of the linear relationship is positive then it is called as positive linear relationship."
For given situation, a correlation coefficient r is close to 1. This means, if one variable changes, the other variables change in the same direction. And the correlation type is strong positive correlation.
From given options, we can observe that for graph C, as one variable changes, the other variable also changes.
So, the correct answer is option C. Graph C
Learn more about positive linear relationship here,
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