If Two Random Samples of Sizes $n _ { 1 }$

question 13

Multiple Choice

If two random samples of sizes $n _ { 1 }$ and $n _ { 2 }$ are selected independently from two non-normally distributed populations, then the sampling distribution of the sample mean difference, $\bar { X } _ { 1 } - \bar { X } _ { 2 }$ , is:

• A) always non-normal.
• B) always normal.
• C) approximately normal only if \(n _ { 1 }\) and \(n _ { 2 }\) are both larger than 30.
• D) approximately normal regardless of \(n _ { 1 }\) and \(n _ { 2 }\) .

---

Definitions:

AIG

American International Group, Inc., a multinational finance and insurance corporation with operations in more than 80 countries and jurisdictions.

Liquidated Debt

A debt for which the exact monetary value has been determined and acknowledged by all parties involved.

Accord And Satisfaction

Accord and Satisfaction is a legal agreement between parties to settle a dispute by agreeing on a payment that is different from what was originally owed.

Unliquidated Debt

A debt for which the exact amount has not been determined.