In a Two-Tail Test for the Population Mean,the Null Hypothesis $\alpha$

question 158

Multiple Choice

In a two-tail test for the population mean,the null hypothesis will be rejected at $\alpha$ level of significance if the value of the standardized test statistic z is such that:

• A) z > z _\(\alpha\)
• B) z < -z _\(\alpha\)
• C) -z _\(\alpha\) < z < z _\(\alpha\)
• D) | z | > z _{\(\alpha\) / 2}

---

Definitions:

Nonverbal Cues

Communication methods without the use of spoken language, involving gestures, body language, facial expressions, and eye contact, among others.

Technical Medical Terms

Specialized vocabulary used by healthcare professionals to describe the body, its conditions, and the procedures used to diagnose or treat diseases.

Intimate Partner Violence

Abuse or aggression that occurs in a romantic relationship, encompassing physical, emotional, and sexual harm.

Vaginal Swab Specimens

Samples collected from the vagina using a swab to test for infections or diseases.