Question: A randomized controlled trial was designed to compare the effectiveness of splinting versus surgery in the treatment of carpal tunnel syndrome. Results are given in

A randomized controlled trial was designed to compare the effectiveness of splinting versus surgery in the treatment of carpal tunnel syndrome. Results are given in the table below. The results are based on evaluations made one year after the treatment. Minitab results are given below the table. Using a 0.01 significance level, test the claim that success is independent of the type of treatment. What do the results suggest about treating carpal tunnel syndrome? Test the given claim.

Successful Treatment Unsuccessful Treatment Splint Treatment 60 23 Surgery Treatment 67 6 MINITAB Chi-sq-9.750, DF 1, P-Valn.002

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