In an ANOVA Test of the Differences Between the Means $\mu_{1}=\mu_{2}=\mu_{3}$

question 30

Multiple Choice

In an ANOVA test of the differences between the means of three groups,the null hypothesis is:

• A) \( \mu_{1}=\mu_{2}=\mu_{3} \)
• B) \( \mu_{1} \neq \mu_{2} \neq \mu_{3} \)
• C) \( \mu_{1}-\mu_{2}-\mu_{3}=0 \)
• D) \( \mu_{1}+\mu_{2}+\mu_{3}=1 \)

---

Definitions:

Blood Osmolality

A measure of the concentration of solutes in the blood, influencing the movement of water between body compartments.

ADH Levels

Concentrations of Antidiuretic Hormone in the body, which regulates water balance by controlling the amount of urine produced by the kidneys.

Aldosterone

Aldosterone is a steroid hormone produced by the adrenal glands, which helps regulate blood pressure by controlling sodium and water balance in the body.

Insensible Perspiration

Perspiration that evaporates before it is perceived as moisture on the skin; the term sometimes includes evaporation from the lungs.