(a) Graph the data, and comment on skewness and outliers. A rank test isappropriate.(b)
Chapter 0, Problem 26.23(choose chapter or problem)
(a) Graph the data, and comment on skewness and outliers. A rank test isappropriate.(b) We would like to test hypotheses about the median percent of nitrogen inancient air (the population):H0: median = 78.1Ha: median = 78.1To do this, apply the Wilcoxon signed rank statistic to the differences betweenthe observations and 78.1. (This is the one-sample version of the test.) What doyou conclude?
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