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:
An analyst is looking at a particular dataset that includes the scores across all 8th grade students, across three
schools. The analyst is trying to determine which type of statistics average to use to best represent the results.
On looking through the dataset, the analyst has identified a few extreme outliers. As a result, the analyst was
led to use the following type of average:
A pharmaceutical company is conducting research to determine whether a new medicine in development is
more successful in reducing the pain associated with rheumatoid arthritis then their current drug in the market.
A group of volunteers are selected for the research. One set of participants is provided the existing drug while
a second set of participants is given the new drug.Which technique is being applied?
The results for a certification exam were revealed in percentage and percentile. How would you infer the
results for an attendee at: 75%, 90th percentile?
An analyst is using a Data Flow Diagram (DFD) to depict the flow of data across a data security company.
Which of the following is true about DFDs?
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