Keisha is still interested in the time patients wait after b…

Keisha is still interested in the time patients wait after being released by their doctor until they are actually discharged.  She wants to compare the average (mean) waiting time for those released by their doctors in the morning, afternoon, and weekends.  She wants to know if there is a statistically significant difference in the mean waiting times for these three patient populations To test her hypothesis, Keisha collects the following data: What are the degrees of freedom for the numerator Keisha will use to determine the critical value?