In Order to Construct a 95% Confidence Interval Estimate for the Difference

question 139

Multiple Choice

In order to construct a 95% confidence interval estimate for the difference between the means of two normally distributed populations, where the unknown population variances are assumed not to be equal, the following summary statistics were computed from two independent samples: , , , , , and . In this case, what is the upper confidence limit?

• A) 6.78
• B) 18.78
• C) 77.3
• D) 89.3

---

Definitions:

Doctrine of Necessaries

Legal principle holding a spouse responsible for providing the necessary expenses of the family, like food, shelter, and medical care.

Disaffirm

The legal act of rejecting or voiding a contract or agreement, especially by a party who was not at full capacity when the agreement was made.

Property

Refers to legally recognized ownership of resources such as land, buildings, goods, or intellectual property.

Understand

The ability to grasp the meaning, significance, or nature of something.