In the Construction of Confidence Intervals, If All Other Quantities

question 5

Multiple Choice

In the construction of confidence intervals, if all other quantities are unchanged, an increase in the sample size will lead to a ________ interval.

• A) narrower
• B) wider
• C) less significant
• D) biased

---

Definitions:

Chronic Villus Sampling

A prenatal test in which a small sample of the chorionic villi is taken from the placenta for testing.

Amniocentesis

is a medical procedure used in prenatal diagnosis, where a small amount of amniotic fluid is sampled from the amniotic sac around a developing fetus to test for genetic conditions and diseases.

Apgar Screen

A method used to quickly assess the health of a newborn immediately after birth, covering criteria like heart rate, respiration, muscle tone, reflex response, and color.

Polygenic Inheritance

Inheritance in which a combination of multiple gene pairs is responsible for the production of a particular trait.