Lucy Baker Is Analyzing Demographic Characteristics of Two Television Programs,American $\sigma$

question 71

Multiple Choice

Lucy Baker is analyzing demographic characteristics of two television programs,American Idol (population 1) and 60 Minutes (population 2) .Previous studies indicate no difference in the ages of the two audiences.(The mean age of each audience is the same.) Her staff randomly selected 100 people from each audience,and reported the following: 1 = 43 years and 2 = 45 years.Assume that $\sigma$ 1 = 5 and $\sigma$ 2 = 8.With a two-tail test and $\alpha$ = .05,the critical z values are _________________.

• A)-1.64 and 1.64
• B)-1.96 and 1.96
• C)-2.33 and 2.33
• D)-2.58 and 2.58
• E)-2.97 and 2.97

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Definitions:

Societal Norms

Shared guidelines or rules within a society that inform behavior and expectations.

Formal Education

A structured system of learning based on a curriculum, typically provided by schools, colleges, and universities, leading to recognized qualifications.

Symbolic Interactionists

Scholars or theorists who study how people use symbols and meanings to communicate, form perceptions of the world, and develop their identities within social interactions.

School Practices

Refers to the established methods and strategies employed by educational institutions to facilitate learning, manage classrooms, and promote students' personal and academic development.