A Hypothesis Test Is to Be Performed $21.6$ Hours the Principal Introduces a Campaign to Encourage the Students

question 188

Multiple Choice

A hypothesis test is to be performed. State the null and alternative hypotheses.
-At one school, the average amount of time that tenth-graders spend watching television each week is $21.6$ hours. The principal introduces a campaign to encourage the students to watch less television. One year later, the principal wants to perform a hypothesis test to determine whether the average amount of time spent watching television per week has decreased.

• A) Null hypothesis: mean time \(= 21.6\) hours
• Alternative hypothesis: mean time \(\leq 21.6\) hours
• B) Null hypothesis: mean time \(> 21.6\) hours
• Alternative hypothesis: mean time \(< 21\).6 hours
• C) Null hypothesis: mean time \(= 21.6\) hours
• Alternative hypothesis: mean time \(< 21.6\) hours
• D) Null hypothesis: mean time \(< 21\). 6 hours
• Alternative hypothesis: mean time \(= 21.6\) hours

Apply balance theory to real-world marketing strategies involving endorsement and consumer relationships.

Evaluate the role of involvement in determining the strength of consumer attitudes.

Apply theories of attitude change to marketing strategies to effectively influence consumer decision-making.

Understand the strategic application of multi-attribute models in marketing.

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Definitions:

Exosystem

A socio-ecological model layer affecting a person indirectly, involving contexts or settings that do not include the person but still influence their experiences.

Microsystem

The immediate environment in which an individual personally interacts, such as family, school, or workplace, influencing development and socialization.

Ecological

Relating to or concerned with the relation of living organisms to one another and to their physical surroundings.

Environment

The surroundings or conditions in which a person, plant, or animal lives or operates.