Presentation by Andreas Schleicher Tackling the School Absenteeism Crisis 30 ...
As the sales director of a local cosmetics brand that is targeting
1. As the Sales Director of a local cosmetics brand that is targeting
to expand its customer share, you are preparing a major sales
initiative and you need to match the key roles with the right
people. You ask the Business Analyst in your company to
develop a model that predicts the number of sales made and she
presents to you the following regression model:
Analyze critically the model by addressing these questions and
explaining your rationale on each:
1. Are there any issues or numbers that draw your attention?
(Hint: look at the R-statistics, sample size, p-values, overall fit
of the model). If so, identify and list them.
2. What variables should be excluded from the model?
3. What variables would you want included in the model?
4. Overall, are you satisfied with the presented predictions?
Why or why not?