For each part, as needed, submit the clean R code, the appropriate R output, and interpret the results. Do not submit R markdown files. Thank you in advance. Will rate!!

Rehabilitation therapy [KNNL]. A rehabilitation center researcher was interested in examining the relationship between physical fitness prior to surgery of persons undergoing corrective knee surgery and time required in physical therapy until successful rehabilitation. Patient records in the rehabilitation center were examined, and 24 male subjects ranging in age from 18 to 30 years who had undergone similar corrective knee surgery during the past year were selected for the study. The number of days required tor successful completion of physical therapy and the prior physical fitness status (below average, average, above average) for each patient follow. c. Obtain the residuals. Do they sum to zero in accord? d. Obtain the analysis of variance table. e. Test whether or not the mean number of days required for successful rehabilitation is the same for the three fitness groups. Obtain the p-value for the test. Use =0.01. State the decision rule, and conclusion. Rehabilitation therapy [KNNL]. A rehabilitation center researcher was interested in examining the relationship between physical fitness prior to surgery of persons undergoing corrective knee surgery and time required in physical therapy until successful rehabilitation. Patient records in the rehabilitation center were examined, and 24 male subjects ranging in age from 18 to 30 years who had undergone similar corrective knee surgery during the past year were selected for the study. The number of days required tor successful completion of physical therapy and the prior physical fitness status (below average, average, above average) for each patient follow. c. Obtain the residuals. Do they sum to zero in accord? d. Obtain the analysis of variance table. e. Test whether or not the mean number of days required for successful rehabilitation is the same for the three fitness groups. Obtain the p-value for the test. Use =0.01. State the decision rule, and conclusion