Questions About the Advertising Data¶

Let's pretend you work for the company that manufactures and markets this widget. The company might ask you the following: On the basis of this data, how should we spend our advertising money in the future?

This general question might lead you to more specific questions:

Is there a relationship between ads and sales? How strong is that relationship? Which ad types contribute to sales? What is the effect of each ad type of sales? Given ad spending in a particular market, can sales be predicted?

We will explore these questions below!