STAT 2023 Due a 2:45 pm-May 8, 2017 -Question 1. Refer to the table below. Depre
ID: 3110462 • Letter: S
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STAT 2023 Due a 2:45 pm-May 8, 2017 -Question 1. Refer to the table below. Depressive Disorder Diagnosed Epilepsy Present (Yes) Absent (No) Epilepsy No Epilepsy 78 This table relates to the possible epilepsy dep link, which has been cited in various studies ression a. What is the sample odds ratio of presenting with a depressive disorder among those patients with diagnosed epilepsy as compared to those with no epilepsy diagnosis? b. Interpret the odds ratio result calculated in part (a). Using the R output provided below, answer the following questions DepEp Link matrix 37.51, 24.78), nrov 2, naal 2, byrow TRUE Epilepsy") colnames (DepEpLink) c-c ("Depression Present Depression Abaent')Explanation / Answer
d. The probability that the confidence interval obtained by the R value truly contains the population odds ratio is 95%, by definition of level of confidence/ level of significance.
e. By definition of confidence levels, there's a 95 percent probability that the population OR lies between the Confidence limits for each additional sample.
Hence we expect 95% of 11 samples to have the poulation odds ratio within their confidence limits.
0.95*11= 10.45
f. In this case P=0.008032 (It's not very legible, but that's what it looks like)
So P= 0.8032 %
Since it is less than the level of significance(5%), the p-value rejects the null hypothesis.
Hence p-value approach is reliable in this case as it is in accordance with our conclusion obtained by critical- value approach
.
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