Both the Equal-Variances and Unequal Variances Test Statistic and Confidence $\mu _ { 1 } - \mu _ { 2 }$

question 73

True/False

Both the equal-variances and unequal variances test statistic and confidence interval estimator of $\mu _ { 1 } - \mu _ { 2 }$ require that the two populations be normally distributed.

---

Definitions:

Securities

Financial instruments that represent ownership positions in publicly-traded corporations, creditor relationships with governmental bodies or corporations, or rights to ownership.

Public Market Price

The current trading value of goods, services, or securities in a publicly accessible market.

Electronic Filing

The submission of documents to a court or government agency via electronic means, such as email or specialized online platforms.

Disclosure System

A regulatory framework requiring companies or individuals to reveal information that could influence decisions made by stakeholders or the public, often related to financial data or potential conflicts of interest.