In a recent survey in nuclear medicine, it was found that a new screening test f

Question

In a recent survey in nuclear medicine, it was found that a new screening test for a certain type of cancer supposedly gave better or more consistent results than the old established screening method. When compared with the older method, the newer method gave better or more consistent results 17 times; poorer results 7 times and inconclusive results 7 times. Based on this information and using the Sign test, test the claim at 95% confidence that the newer method is better What is the critical value? 1.645 0 7 0 6 0 5

Explanation / Answer

here it is right tailed test for which n=17+7 =24 (As inconclusive result does not count

for sample size n=24 and right tailed test with 95% level ; crtiical value = 7

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