What Is an Estimated Pooled Variance

question 122

Multiple Choice

What is an estimated pooled variance?

• A)the weighted average of the variances estimates
• B)the variance of the difference between the sample means
• C)the sum of the two variances estimates
• D)the variance of the populations from which the samples were drawn

---

Definitions:

FCC

The Federal Communications Commission, an independent U.S. government agency responsible for regulating interstate and international communications by radio, television, wire, satellite, and cable.

Public Affairs

Matters that involve the government and its policies, and how these interact with the public or influence society.

Professional Standard

Guidelines and criteria established by professions to ensure quality, competence, and ethical practice among its members.

Nonpartisanship

An approach to governance or policies that does not formally align with partisan political parties or biases.