The turnover of 3.1 people per two week period with the 2.2 person standard deviation and was causing the crisis. 3 of us ran some surveys, took suggestions back to the workforce as well as started making some structural changes in system. Many months later, we reran the turnover assessment on 30 random surveys as well as determined the turnover rate was 1.9 people per 2 weeks. Test as a large sample Z test, at the 1 tail test 0.05 alpha
Formulate both the numerical and verbal hypothesis statement about your research issue. Include raw data tables and results of the computations of your z-test or t-test using graphical and tabular techniques of displaying data and results.