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how can I discuss the linear relationship between variables? "on a new tab labeled "PE Ratio"...

how can I discuss the linear relationship between variables?

"on a new tab labeled "PE Ratio" constuct a scatterplot with PE Ratio data as the independent variable and the associated Return values as the dependent variable and a second scatterplot on a new tab labeled "Risk" with Risk data as the independent variable and the associated Return values as the dependent variable. Be sure to properly label each axis. For each scatterplot, discuss the linear relationship between variables."

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