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Arizona State University - WPC 300WPC 300 FINAL QUIZ

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QUIZ 1 PRESCRIPTIVE 1. In the agile approach of analytics what is the first step of the process? Perform business discovery 2. In an ETL process data is loaded into a final target database such as data warehouse 3. 4 types of data analytical method? Descriptive, explanatory, predictive, prescriptive 4. Which of the following is an example of secondary data? Firms proprietary data 5. Which of the following data analysis models use optimization techniques? Prescriptive analysis 6. Predictive analysis may be applied to prescriptive analytics which is a set of techniques that use descriptive data and forecasts to identify the decisions most likely to result in the best performance 7. Target is examining online sales data during pandemic to understand what happened. What kind of analytical technique are they using? Descriptive analysis 8. Costco wants to know how to stock their warehouses for a future pandemic and are using current sales data to help them project the needs. What kind of analytical technique? Predictive 9. Your professor is considering purchasing a self driving car that figure out the best route and optimum safe way to drive without human intervention. What kind of analytical? Prescriptive 10. Which of the following questions can be better answered using data in order to reach an evidence based conclusion? All above 11. Data generation process for observational studies and experiments are different. TRUE QUIZ 2 CHARTS DATA INK RATIO 1. Deleting the grid lines on a chart _increases the data ink ratio_ 2. Which of the following statement about charts is true? Data ink can sometimes tell a richer story 3. Which are useful principles for data visualization? Graph suggests a possible true effect 4. In order for a chart to have graphical integrity the lie factor must be _close to 1 5. Which best describes the nature of the rose diagram? Plots data using circular historical plot 6. Which of the following statements about charts is false? None of the other answers are false 7. When lie factor of a graph is more than 1, the size of the effect shown in the graph is bigger than the actual effect in the data 8. Which of the following violates the principle of data visualization? Data ink ratio should be higher than 1 9. For a chart to minimize graphical complexity, the data ink ratio must be close to 1 10. Which of the following statements is a reason not to use a table for data visualization? Cannot easily show trends 11. Visualization of spatial data are most illustrative when shown using MAPs 12. Which of the following statement is false with regard to interpretation? We cannot refine a model after interpreting its results 13. In William Playfair's Line Chart, which two parameters did he chart? National debt vs time 14. William Playfair is credited for inventing which type of chart? Pie chart 15. Visual data enables the reader to see trends and dependencies. TRUE 16. Visualizing data is which kind of analytical technique? Descriptive 17. When we utilize a visualization on paper/screen, that visualization is limited to exploring: As many variables as we can coherently communicate in 2 dimensions

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