A Professor of Linguistics Refutes the Claim That the Average

question 111

Multiple Choice

A professor of linguistics refutes the claim that the average student spends 3 hours studying for the midterm exam. She thinks they spend more time than that. Which hypotheses are used to test the claim?

• A)H ₀: m ¹ 3 vs. H ₁: m > 3
• B)H ₀: m = 3 vs. H ₁: m ¹ 3
• C)H ₀: m ¹ 3 vs. H ₁: m = 3
• D)H ₀: m = 3 vs. H ₁: m 3

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Definitions:

Career Groups

Categories or clusters of occupations based on common characteristics, skills, or fields.

Contingency Table

A data table that displays the frequency distribution of variables to study the relationship between them.

Political Party

An organized group of people with at least roughly similar political aims and opinions, that seeks to influence public policy by getting its candidates elected to public office.

Income Bracket

a range of incomes grouped together for the purpose of taxation or statistical analysis.