A scatter diagram.
A line diagram will not be as good at showing a relationship that is non-linear (not a straight line).
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A scatter diagram.
"If coefficient of correlation, "r" between two variables is zero, does it mean that there is no relationship between the variables? Justify your answer".
Line graph is used to show relationship between two variables.
A tentative descriptive statement of the relationship between the variables is called hypothesis
If two variables are related, then the simplest relationship between them is a linear one. The linear equation expresses such a relationship.If two variables are related, then the simplest relationship between them is a linear one. The linear equation expresses such a relationship.If two variables are related, then the simplest relationship between them is a linear one. The linear equation expresses such a relationship.If two variables are related, then the simplest relationship between them is a linear one. The linear equation expresses such a relationship.