In Exercise 8.2-10, growth data are given for plants in normal air and for plants in CO2-enriched air. Those data are repeated here:

In this exercise, we shall test the null hypothesis that the medians are equal, namely, H0: mX = mY, against the alternative hypothesis H1: mX (a) What is your conclusion from the Wilcoxon test?
(b) What was your conclusion from the t test in Exercise 8.2-10?
(c) Write a comparison of these two tests.

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Normal Air (x) 4.67 4.21 2.18 3.91 4.09 5.24 2.94 4.71 4.04 5.79 3.80 4.38 Enriched Air (y) 5.04 4.52 6.18 7.01 4.36 1.81 6.22 5.70