6. Which two tools make it easier to detect an out-of-range error? Choose 2 answers. -Experimental studies -Spreadsheets -Observational studies -Relational databases 7.Which two tools make it easier to detect an out-of-range error? Choose 2 answers. -Experimental studies -Spreadsheets -Observational studies Relational databases 8. An analyst creates a scatterplot of a company's five-year sales with the sales on the vertical -axis and the month on the horizontal -axis. The scatterplot shows an increase in sales each December and eat March and a drop in sales every July. Which time series pattern do the monthly sales data exhibit? O Trend O Seasonal O Cyclical O Irregular 9. Which management strategy takes a life-cycle approach to measure performance and is built on a system of partnership and inclusiveness? O Results-based management (RBM) O Performance-based management (PBM) O Goals-based management (GBM) O Outcome-based management (OBM) 11. Why are experiments conducted using random sample populations? O Because entire population data have too many outliers O Because the software to analyze entire populations is expensive O Because random sample populations ensure bias elimination O Because studying an entire population is difficult and impractical