Random collections of nine different solutions of a calcium compound were given to two laboratories A and

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Random collections of nine different solutions of a calcium compound were given to two laboratories A and B. Each laboratory measured the calcium content (in mmol per liter) and reported the results. The data are paired by calcium compound.


(a) Rank-order the data using 1 for the lowest calcium reading. Make a table of ranks to be used in a Spearman rank correlation test.

(b) Use a 5% level of signi­ficance to test for a monotone relation (either way) between ranks. Interpret the results.

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Understandable Statistics Concepts And Methods

ISBN: 9781337119917

12th Edition

Authors: Charles Henry Brase, Corrinne Pellillo Brase

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