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Simple Linear Regression and Multiple Regression.

Simple Linear Regression and Multiple Regression.

I'd like to ask whether you think multiple regression (the use of more IV's) is always better than simple regression? Why or why not?

What problems may exist with multiple regression that are not an issue for simple linear regression?

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The multiple regression is not always better; you must choose what the fits the data best. For example, if you want to model the grade students get, and you have the following factors, the hours they study every night), their favourite food, the ...

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Simple Linear Regression and Multiple Regression.

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