1) What are the four stages of data science 2 marks Problem Identification Creation of the analytical file Application of data mining tools Measurement and implementation 2) You are asked to determine the viability of an acquisition program? What are three metrics that you would need to determine its viability over a 4 year lifecycle. 3 marks Acquisition Response rate Value of customer Acquisition cost per prospect Retention rate Communication costs per customer # of prospects 3) You are asked why you want to focus your efforts on a retention model for only 10000 customers. In one sentence, describe your reason for doing this. 1 mark Cost or value per effort X volume of records Cost/value per effort or per record would be very high 4) An acquisition model was built and deployed. The model performed very well but the marketing team was unhappy. What are two questions that could have helped to avoid this situation. 2 marks what is the business objective? What is your target audience Model focussing on correct stakeholders REALLY ANSWERS ARE RELATED TO COMMUNICATION AND ENSURING THAT EXPECTATIONS OF ALL STAKEHOLDERS ARE ALIGNED 5) In one sentence, describe what you do to improve the situations listed below? 2 marks a. Work is not being completed as you are working on too many projects b. Prioritization of projects Models and your work are not getting implemented Establish closer communication between business stakeholder and you the data scientist/analyst