Question: 56. For small samples, the Wilcoxon test differs from parametric procedures (for means) in the sense that a) The alternative hypothesis cannot be one-sided b)

56. For small samples, the Wilcoxon test differs from parametric procedures (for means) in the sense that

a) The alternative hypothesis cannot be one-sided

b) It is unnecessary to assume that the population distribution is normal

c) Random sampling is not assumed

d) It applies directly to ordinal as well as interval response variables.

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