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The sample standard deviation of the differences between the pretreatment and posttreatment KPS scores is 10. Using a 0.
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; 50; 60; 50
Posttreatment (%) --> 100; 100; 100; 100; 100; 100; 100; 100; 80; 100; 80
What is the value of the test statistic you should use to test the given hypothesis?
a. 0.51
b. 1.81
c. 5.59
d. 2.23
e. 18.18
What conclusion should you make based on the given data?
a. Fail to reject H0 and conclude there is sufficient evidence to support the claim that
b. Fail to reject H0 and conclude there is not sufficient evidence to support the claim
c. Accept H0 and conclude there is sufficient evidence to support the claim
d. Reject H0 and conclude there is sufficient evidence to support the claim
e. Reject H0and conclude there is not sufficient evidence to support the claim
