The correlation coefficient helps us to know how strong is the relation between two variables. The scatterplot that has a stronger correlation is B.
What is the correlation coefficient?
The correlation coefficient helps us to know how strong is the relation between two variables. Its value is always between +1 to -1, where, the numerical value shows how strong the relation between them and, the '+' or '-' sign shows whether the relationship is positive or negative.
• 1 indicates a strong positive relationship.
• -1 indicates a strong negative relationship.
• A result of zero indicates no relationship at all, therefore, an independent variable.
Since the scatterplot is the relationship between the two variables and as in the first graph the value of a single x can return multiple values for y.
Therefore, the scatterplot that has a stronger correlation is B.
Learn more about Correlation Coefficients:
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