Lucy Baker Is Analyzing Demographic Characteristics of Two Television Programs $\mu$

question 8

Multiple Choice

Lucy Baker is analyzing demographic characteristics of two television programs, Lost (population 1) and Heroes (population 2) .Previous studies indicate no difference in the ages of the two audiences.(The mean age of each audience is the same.) Lucy plans to test this hypothesis using a random sample of 100 from each audience.Her null hypothesis is ___.

• A)\(\mu\)₁ - \(\mu\)₂ \(\neq\) 0
• B)\(\mu\)₁ - \(\mu\)₂ > 0
• C)\(\mu\)₁ - \(\mu\)₂ = 0
• D)\(\mu\)₁ - \(\mu\)₂ < 0
• E)\(\mu\)₁ - \(\mu\)₂ < 1

---

Definitions:

Complex Speech

Speech that exhibits advanced structure, vocabulary, and ideas, often indicative of higher-level cognitive processing and linguistic proficiency.

Language Development

The process by which individuals acquire the ability to perceive, produce and use words to understand and communicate.

Biology

The scientific study of life and living organisms, including their structure, function, growth, evolution, and distribution.

Early Childhood

A development period from birth to the age of 8 years, which is fundamental for cognitive, social, emotional, and physical development.