Refer to the MegaStat/Excel Output for the Wilcoxon Signed Ranks

question 96

Multiple Choice

Refer to the MegaStat/Excel output for the Wilcoxon signed ranks test given in the table below. At a significance level of .01, which one of the following rejection point conditions is correct regarding the null hypothesis, H₀: D₁ and D₂ are identical probability distributions, and the alternative hypothesis of H_a: D₁ is shifted to the left of D₂.

• A) T ⁻ ≤ 2
• B) T ⁺ ≤ 2
• C) T ⁻ ≤ 0
• D) T ⁻ ≤ 6
• E) The smaller of T ⁺ or T ⁻ is less than 8.

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Definitions:

Sertoli Cell

A type of somatic cell found within the seminiferous tubules of the testis that supports and nourishes developing sperm cells.

Zona Pellucida

The zona pellucida is a glycoprotein layer surrounding the plasma membrane of an oocyte or early-stage embryo, playing a crucial role in fertilization and preventing polyspermy.

Effaced

In medical terms, often relates to the thinning and stretching of the cervix in preparation for childbirth; in a general context, it can mean erased or made less clear.

Cervix

The lower, narrow part of the uterus that connects to the vagina, playing key roles in childbirth and menstrual flow.