Learning Goal: I’m working on a data analytics case study and need the explanation and answer to help me learn.
Elizabeth Burke has identified some additional questions she would like you to answer using the Performance Lawn
Equipment Database.
- Are there significant differences in ratings of specific product/service attributes in the Customer Survey
worksheet? - In the worksheet On-Time Delivery, has the proportion of on-time deliveries in 2018 significantly improved
since 2014? - Have the data in the worksheet Defects After Delivery changed significantly over the past five years?
- Alhough engineering has collected data on allernde live 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?
- Are there differences in employee retention due to gen-der, college graduation status, or whether the employee is from the local area in the data in the worksheetEmployee Retention?
Conduct appropriate statistical analyses and hypothesis tests to answer these questions and summarize your results in a formal report to Ms. Burke.