IIBA Certification in Business Data Analytics (IIBA - CBDA) - CBDA Exam Practice Test

A database analyst is modelling a database for a large toy manufacturer. Which statement describes a logical database model?

The analytics team has completed their analytics work and have agreed on a set of five key recommendations.
They are now discussing how best to communicate these recommendations to the finance, customer service, and marketing teams. Recognizing that this is a diverse set of stakeholders, the business analysis professional reminds the team:

A consumer product company has recently seen decline in sales in their athletic wear over the last 3 quarters.
Along with a customer satisfaction survey on their athletic wear products, a study on the competitive market has been initiated. The analyst working has created a dashboard, integrating the results from the market study with customer feedback. On reviewing with the analytics manager, the feedback received was that the visuals were powerful, but the dashboard lacked narrative.What does the manager mean by this?

Interested in building out the analytics capability based on the positive results obtained by past analytics efforts, the Chief Marketing Officer (CMO) pitches the idea of using analytics to guide future decision making across the enterprise.Before allocating budget to build up an enterprise analytics practice, the decision makers should:

A Data Dictionary is being developed for an employee database. When reviewing the data dictionary, the analyst recommends adding another primitive data element. Which element would be suggested?

DIAGRAM TAKEN
A data scientist is analyzing a dataset to determine if there is a strong relationship between twovariables. A measure of covariance is done. Which of the following graphs indicate Zero Covariance between variables?

A clinical research organization is using predictive analytics to improve patient safety and decrease costs on its clinical trials. To ensure that a standard set of tools/techniques is identified and best practices adhered to, teams are required to create scenarios to generate appropriate data for initial analysis. This practice is required because it is almost certain that data will be difficult to come by for most research. Which concern would lead the team to establish scenario development as a required technique?

The analytics team scheduled a meeting with key stakeholders to present their recommendations. The team envisioned this as the final step of their work and fully expected complete acceptance of those recommendations, particularly given that very few questions were asked. They were surprisedwhen they received word that the organization wasn't ready to move forward. What did they overlook?