HI can you answer the questions and give a detailed explanation (the data table is above)? Thank you!

A rehabilitation center researcher was interested in examining the relationship between physical fitness prior to surgery and the time (in days) for successful completion of physical therapy. The fitness levels were measured as "Below Average" ( group I), "Average" (group II), or "Above Average" (group III). Summary statistics follow: I II III Overall Sample mean 38 32 24 32 Sample Std. Dev 5.48 3.46 4.43 6.88 Sample Size 8 10 6 24' Power (a) Using the sample mean values and the value of MSE, calculate the value of