“1. In the worksheet ‘On-Time Delivery’, has the proportion of on-time deliveries in 2018 significantly improved since 2014?
2. Although engineering has collected data on alternative process costs for building transmissions in the worksheet ‘Transmission Costs’, why didn’t they reach a conclusion as to whether one of the proposed processes is better than the current process?
3. Are there differences in employee retention due to gender, or whether the employee is from the local area in the data in the worksheet ‘Employee Retention’?
Conduct appropriate statistical analyses and hypothesis tests to answer these questions and summarize your results in a formal report to your (fictional) manager, Ms. Burke.”
“All 3 questions are answered correctly
Answers are based on your data analysis with the outputs from the statistical software copied and pasted into your report.
The report is submitted on time
The summary of the results is well organized and contains no grammatical/spelling/style errors.
The report contains introduction, data interpretation and conclusion.
The interpretations are insightful and correct.”