Comparing the Output of Strawberries Grown on Plots Using Fertilizer

question 21

Multiple Choice

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) the sign test
• B) Kruskal-Wallis test
• C) Wilcoxon rank-sum test
• D) Wilcoxon signed-rank test
• E) either Kruskal-Wallis test or Wilcoxon rank-sum test

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Definitions:

Precava

Often referred to as the superior vena cava, it is a large vein that carries deoxygenated blood from the upper body to the heart.

Internal Jugular Vein

A major vein that carries blood from the head, brain, face, and neck back towards the heart.

Axillary Vein

A large blood vessel that conveys blood from the lateral aspects of the thorax, armpit, and upper limb toward the heart.

Brachiocephalic Vein

A large vein in the upper chest that is formed by the union of the internal jugular and subclavian veins and drains blood from the head, neck, and upper extremities.