In: Statistics and Probability
Using a significance level of 0.05 to compare results of treatment for carpal tunnel syndrome, test that the proportion for surgery is greater than the proportion for splints.
group Number of successes sample size
surgery 64 80
splints 56 80
Let denote the proportion for surgery and splints respectively.
There is sufficient evidence to support the claim that the proportion for surgery is greater than the proportion for splints.