Using the dataset associated with this thread. Select 2 explanatory continuous variables and one continuous response variable (Your choice).

List your variables and the variable descriptions

Run a multiple regression test using either JASP or Excel.  Post all 3 of your multiple regression output tables to this thread.

Interpret the R, Adjusted R squared, ANOVA table p-value, the coefficient table p-values

Select ONE technique for assumption checking for multiple regression.  Run that technique on the variables that the STUDENT used in their post (not your variables)

Present the results (chart, table, numerical summary … whatever your evidence is that you generated) and interpret them.  Has the assumption been met?  Explain.