For each column, is the variable categorical or numerical?

Let's look at relationship between GPA and Salary

Response variable:

Independent variable:

Visualize data

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Now let's look at relationship between Years $($of experience$)$ and Salary

Response variable:

Independent variable:

Visualize data

$[$add visualization here$]$

PLEASE ANSWER USING EXCEL AND DIRECTIONS FOR CREATING A CHART THANKS $($: