When looking for a mathematical relationship between two variables use a line graph.
A mathematical variable is one that can be found by the use of algebra or by a the use of graph. We know that a line graph involves plotting the independent variable on the horizontal axis and the dependent variable on the vertical axis.
The relationship between the two variables can be determined by studying how much the data set suits a particular equation of line of best fit or by considering the correlation coefficient of the scatter plot.
Hence, when looking for a mathematical relationship between two variables use a line graph.
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Missing parts;
When looking for a mathematical relationship between two variables, use a _____.
A. line graph
B. circle graph
C. bar graph
D. data table
