An experiment is conducted to assess whether physical therap…
An experiment is conducted to assess whether physical therapy or yoga is useful at reducing patient falling in the hospital. 19 patients were included in the study. Patients were randomly assigned to one of three groups: (1) A 6 month physical therapy program, (2) A 6 month yoga program, or (3) No program. The number of times the patient fell was recorded over a two-year period after each program. The data is shown below (1) Physical Therapy (2) Yoga (3) No Program 2 1 7 1 0 8 4 2 5 6 3 9 4 3 4 2 1 2 7 A hypothesis test was conducted to assess whether there is a difference in the mean number of times patients fell in each group. What would be the treatment and error degrees of freedom used for the distribution of the test statistic? Treatment degrees of freedom: Error degrees of freedom: