Answered>Order 6461
The sample standard deviation of the differences between the pretreatment and posttreatment KPS scores is 10.787. Using a 0.05 significance level, you need to test the claim that interventional bronchoscopic therapy improves functional impairment, i.e., that the KPS score is higher after the therapy. Pretreatment (%) –> 90; 80; 90; 90; 90; 90; 80; 90; […]