Does the treatment cause the effect

Reference no: EM131797056

Endocarditis Kang et al. reported on a randomized trial of early surgery for patients with infective endocarditis (a heart infection).

Of the 37 patients assigned to early surgery, 1 had a bad result (died, had an embolism, or had a recurrence of the problem within 6 months).

Of the 39 patients with conventional treatment (of whom more than half had surgery later on), 11 had a bad result.

a. Find and compare the sample percentages of those who had a bad result for each group.

b. Create a two-way table with the labels Early Surgery and Conventional across the top.

c. Test the hypothesis that early treatment and a bad result are independent at the 0.05 level.

d. Does the treatment cause the effect? Why or why not?

e. Can you generalize to other people? Why or why not?

Reference no: EM131797056

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