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Author Question: Concerning the KruskalWallis test, the test statistic follows a chi-square distribution ... (Read 195 times)

byomi

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Question 1

Calculate the Spearman’s rank correlation coefficient for the following data:

xy
090
5028
15042
20010
25059
30051
35085
40073
450104
50095


–0.560


0.520


0.531


0.588



Question 2

Concerning the Kruskal–Wallis test, the test statistic follows a chi-square distribution with\(\style{font-family:Times New Roman;}{k-1}\)degrees of freedom ifH0is true and:

\(\style{font-family:Times New Roman;}{n\geq30}\).


\(\style{font-family:Times New Roman;}{k\geq5}\).


\(\style{font-family:Times New Roman;}{n_i\geq20\;\forall\;i}\).


\(\style{font-family:Times New Roman;}{k=3}\). and\(\style{font-family:Times New Roman;}{n_i\geq6\;(i=1,\;2,\;3)}\)



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Marked as best answer by byomi on Feb 26, 2023

gcurrens

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byomi

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Reply 2 on: Feb 26, 2023
Excellent


upturnedfurball

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Reply 3 on: Yesterday
:D TYSM

 

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