Comparing the output of strawberries grown on plots using fertilizer A with that grown on otherwise identical plots using fertilizer B,in order to make a general assessment of relative fertilizer effectiveness,may well call for a:
A)Friedman test.
B)Kruskal-Wallis test.
C)Wilcoxon rank-sum test.
D)Spearman rank correlation test.

Question

Quizplus · Accepted Answer

The Wilcoxon rank-sum test is appropriate for comparing the outputs (e.g., yield, size, quality) of strawberries grown on two different plots using different fertilizers when the data are not normally distributed. This test is used to assess whether there is a significant difference between two independent samples, which aligns with the scenario of comparing the effectiveness of two fertilizers.

Comparing the Output of Strawberries Grown on Plots Using Fertilizer