Was the advertising campaign effective?
Did additional consumers convert as a result of the ad campaign?
Was the campaign profitable?
How much more money did TaskaBella make by running the campaign ?
What was the cost of the campaign?
Calculate the ROI of the campaign. Was the campaign profitable?
What was the opportunity cost of including a control group; how much more could have TaskaBella made with a smaller control group or not having a control group at all?
How did the number of impressions seen by each user influence the effectiveness of advertising?
Create a chart of conversion rates as a function of the number of ads displayed to users.
