Case: Performance Lawn Equipment

Elizabeth Burke has identified some additional questions she would like you to answer using thePerformance Lawn Equipment Database.

1. Are there significant differences in ratings of specific product/service attributes in theCustomer Surveyworksheet?
2. In the worksheetOn-Time Delivery, has the proportion of on-time deliveries in 2018 significantly improved since 2014?
3. Have the data in the worksheetDefects After Deliverychanged significantly over the past five years?
4. Although engineering has collected data on alternative process costs for building transmissions in the worksheetTransmission Costs, why didn't they reach a conclusion as to whether one of the proposed processes is better than the current process?
5. Are there differences in employee retention due to gender, college graduation status, or whether the employee is from the local area in the data in the worksheetEmployee Retention?