Question: Use the Friedman test procedure to analyze the data set in DS 11.4.3 concerning cement strengths. (a) What are the average ranks 1., 2., 3.,

Use the Friedman test procedure to analyze the data set in DS 11.4.3 concerning cement strengths.
(a) What are the average ranks 1., 2., 3., 4., and 5.?
(b) What is the value of the test statistic S?
(c) Write down an expression for the p-value and use a computer package to evaluate it.

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