Discussion 7,8 & 9 - Building and Using Models

Discussion 7

"Building and Using Models" 

• Per the textbook, in order to understand the causal relationship in business process, manager often asks “whys” to drill down the root cause of failures. Select one (1) project from your working or educational environment and propose at least three (3) “why” questions that you would ask in order to identify root cause of problem. Justify your responses.

 Discussion 8

"One-factor-at-a-time (OFAAT) and Design of Experiment (DOE)" 

• Per the textbook, trying to understand factors that impact the outcomes of business process is an important aspect of improving business operations. Conventional wisdom plans experiment one-factor-at-a-time (OFAAT). Compare and contrast the main advantages and disadvantages of OFAAT and DOE and select the approach (e.g., OFAAT or DOE) that you would use in order to obtain effective business process. Provide a rationale for your response.

 Discussion 9

"Confidence Interval" Note: Online students, please select one of the two subjects to discuss.

• Use the Internet or Strayer Library (https://research.strayer.edu) to research articles on confidence interval and its application in business. Select one (1) company or organization which utilized confidence interval technique to measure its performance parameters (e.g., mean, variance, mean differences between two processes, etc.). Give your opinion as to whether or not the utilization of such a technique improves business process for the company or organization that you selected. Justify your response.
• Select one (1) project from your working or educational environment in which you would use the confidence interval technique for the process. Next, speculate on one to two (1-2) challenges of utilizing such a technique in the process and suggest your strategy to mitigate the challenges in question.