Researchers Have Claimed That the Average Number of Headaches Per $n = 15$

question 95

Multiple Choice

Researchers have claimed that the average number of headaches per student during a semester Statistics is 14. Statistics students believe the average is higher. In a sample of $n = 15$ students th mean is 19 headaches with a deviation of 1.9. Which of the following represent the null and alternative hypotheses necessary to test the students' belief?

• A) \(H _ { 0 } : \mu < 14\) vs. \(H _ { \mathrm { a } } : \mu = 14\)
• B) \(H _ { 0 } : \mu = 14\) vs. \(H _ { \mathrm { a } } : \mu < 14\)
• C) \(H _ { 0 } : \mu = 14\) vs. \(H _ { \mathrm { a } } : \mu \neq 14\)
• D) \(H _ { 0 } : \mu = 14\) vs. \(H _ { \mathrm { a } } : \mu > 14\) of

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Definitions:

Structural Functionalism

An outlook from sociology that sees society as an intricate system where its components collaborate to foster unity and maintain equilibrium.

Social System

An organized set of interrelated structures that establishes patterns of relationships and roles toward achieving a collective goal.

Latent Function

Unintended or unrecognized positive effects or outcomes of a social structure or institution.

Unintended Outcome

A result or effect that was not anticipated or deliberately planned.