Assume That the Following Confidence Interval for the Difference in the Mean

question 26

Multiple Choice

Assume that the following confidence interval for the difference in the mean length of male (sample 1) and female babies (sample 2) at birth was constructed using independent simple random samples. -0.2 in $< \mu _ { 1 } - \mu _ { 2 } < 2.7 \text { in }$
What does the confidence interval suggest about the difference in length between male babies and female babies?

• A) Male babies are longer.
• B) Female babies are longer.
• C) There is no difference in the length between male and female babies.

---

Definitions:

Adsorption

The process by which atoms, ions, or molecules from a substance (it could be a gas, liquid, or dissolved solid) adhere to a surface of another substance.

Corrosion

The process of degradation of materials, especially metals, due to chemical reactions with their environment, leading to weakening and damage.

Fractures

Breaks, cracks, or splits in bones or geological formations, often resulting from stress or impact.

Leaks

Unintended escape of fluids (gas or liquid) from a container or system to the environment.