A study was conducted to compare two diagnostic methods say, Method-I

Question

A study was conducted to compare two diagnostic methods say, Method-I and MethodII. The following table shows the classification of the presence of infection on 5-point Likert Scale (none, mild, moderate, severe and extreme): Method-II Method-I None Mild Moderate Severe Extreme None 89 5 16 2 4 Mild 36 3 15 6 2 Moderate 20 4 22 6 1 Severe 14 2 37 18 16 Extreme 4 1 16 23 50 Compute simple and weighted Kappa Statistic(s) to compare both methods. (10) 3.(a) Explain the Kaplan and Meier method of estimation with exampl

13 May 2026

Answer :

Word Count : 648

For simple Kappa Statistic, first construct the contingency table: | Method-I \ Method-II | None | Mild | Moderate | Severe | Extreme | Row Total | | -------------------- | ---- | ---- | -------- | ------ | ------- | --------- | | None | 89 | 5 | 16 | 2 | 4 | 116 | | Mild | 36 | 3 | 15 | 6 | 2 | 62 | | Moderate | 20 | 4 | 22 | 6 | 1 | 53 | | Severe | 14 | 2 | 37 | 18 | 16 | 87 | | Extreme | 4 | 1 | 16 | 23 | 50 | 94 | Column totals are: * None = 163 * Mild = 15 * ____ _________ ______ ________ ___ ______ __________ __________ ______ _____ _____.
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