MC	What is the correct ranking of the following analytics applications in terms of maturity?	HR Analytics (most mature), Marketing Analytics (medium mature), Risk Analytics (least mature).	incorrect	Risk Analytics (most mature), Marketing Analytics (medium mature), HR Analytics (least mature).	correct	Risk Analytics (most mature), HR Analytics (medium mature), Marketing Analytics (least mature).	incorrect	Marketing Analytics (most mature), Risk Analytics (medium mature), HR Analytics (least mature).	incorrect	
MC	To guarantee maximum independence and organizational impact of analytics, it is important that...	the Chief Data Officer (CDO) or Chief Analytics Officer (CAO) reports to the CIO or CFO.	incorrect	a Chief Data Officer or Chief Analytics officer is added to the executive committee who directly reports to the CEO.	correct	the CIO takes care of all analytical responsibilities.	incorrect	analytics is supervised only locally in the business units. 	incorrect	
MC	Which of the following is not a risk when outsourcing analytics?	Continuity of the partnership	incorrect	Dilution of competitive advantage due to e.g. mergers and acquisitions.	incorrect	The fact that all analytical activities need to be outsourced	correct	The exchange of confidential information	incorrect	
MC	Which of the following is not a risk when outsourcing analytics?	The fact that all analytical activities need to be outsourced	correct	Dilution of competitive advantage due to e.g. mergers and acquisitions.	incorrect	Continuity of the partnership	incorrect	The exchange of confidential information	incorrect	
MC	Which of the following measures cannot be used to make the splitting decision in a regression tree?	ANOVA/F-test	incorrect	Mean Squared Error (MSE)	incorrect	Entropy	correct	
MC	Consider a data set with a multiclass target variable as follows: 25% bad payers, 25% poor payers, 25% medium payers and 25% good payers. In this case, the entropy will be:	Minimal	incorrect	Maximal	correct	
MC	Which of the following measures cannot be used to make the splitting decision in a regression tree?	ANOVA/F-test	incorrect	Entropy	correct	Mean Squared Error (MSE)	incorrect	
MC	Which of the following are interesting data sources to consider to boost the performance of analytical models?	Network data	incorrect	External data	incorrect	Unstructured data such as text data and multimedia data	incorrect	All of the above	correct	
MC	Which statement is CORRECT?	The closeness is always higher than the betweenness.	incorrect	The graph theoretic center is the node with the highest minimum distance to all other nodes.	incorrect	The betweenness counts the number of the times that a node or edge occurs in the geodesics of the network.	correct	The geodesic represents the longest path between two nodes.	incorrect	
MC	Which of the following costs should be included in a Total Cost of Ownership (TCO) analysis?	Acquisition costs	incorrect	Ownership and operation costs	incorrect	Post ownership costs	incorrect	All of these costs	correct