Question: 5. Which of the following correlation coefficient values represents the strongest positive correlation between two factors in a data set? a=-1.0 b. r=-0.872 C. r=0

5. Which of the following correlation coefficient values represents the strongest positive correlation between two factors in a data set? a=-1.0 b. r=-0.872 C. r=0 d. r=0.931 Ecording to your instructor, the macroeconomic indicator that is least useful, at least in the short run is: a. Profitability b. Unemployment c. Mi money supply Id. Inflation Rate 12. In order for the Operations Manager to improve the operation, which of the following is the least important: a. A reliable data system b. A good demand forecast C. Proper and sophisticated data analysis techniques and orientation d. A strong desire to improve the operation to increase throughput and/or reduce costs 13. The recent issues with supply chains around the world may be traced to all of these, except: a. Improper implementation and reliance on single suppliers b. Improper implementation and reliance on JIT inventory for complex inputs C. COVID pandemic d. Too strong demand 14. When using mathematics to determine improvement options for an operation, the Operations Manager must be aware that: (for this question please choose the best two answers, each worth 1/2) a. You cannot get more accurate math conclusions than the precision of the data inputs b. The Operations Manager does not need mathematics C. The Business Unit will usually supply needed input d. Mathematics can improve any single step in the operation as well as identify bottlenecks

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