Match List – I with List – II and select the correct answer using the codes given below the list. Codes : P Q R SList – I List – II (Statistical Tests) (Utility Condition) P. Shapiro Wilk test 1. Correlation for Rank data Q. Chi-square test 2. Goodness of fit test R. Wilcoxon Sum-Rank test 3. Normality testing S. Kendall’s tau 4. Testing independent groups
3 2 4 1
P. Shapiro Wilk test → 3: the Shapiro–Wilk W statistic tests whether a sample comes from a normally distributed population, so it is used for normality testing.
Q. Chi-square test → 2: the chi-square goodness of fit test compares observed frequencies with frequencies expected under a theoretical distribution or hypothesis.
R. Wilcoxon Sum-Rank test → 4: the Wilcoxon rank-sum test (equivalent to the Mann–Whitney U test) is a nonparametric test comparing two independent groups by ranking all scores together.
S. Kendall’s tau → 1: Kendall’s tau is a nonparametric correlation coefficient for ranked (ordinal) data, based on concordant and discordant pairs.
The matching is therefore P–3, Q–2, R–4, S–1.
Hence, the answer is 3 2 4 1.
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