A Weight Loss Centre Provided a Loss for 72% of Its

question 13

Multiple Choice

A weight loss centre provided a loss for 72% of its participants.The centre's leader decides to test a new weight loss strategy on a random sample size of 140 and found weight loss in 78% of the participants.State the critical value required to perform an appropriate hypothesis test using α = 0.01.

• A)-1.645
• B)1.96
• C)2.576
• D)2.326
• E)1.645

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Definitions:

Diving Board

A flexible board secured at one end and projecting over water, used for diving or jumping into a pool.

Pluralistic Ignorance

A psychological phenomenon where the majority of group members privately reject a norm, but assume incorrectly that most others accept it, leading to a disconnect between beliefs and behaviors.

Diffusion of Responsibility

A socio-psychological phenomenon where individuals in a group are less likely to take action or feel a sense of responsibility in the presence of others.

Aggression

Any behavior intended to harm another person who is motivated to avoid the harm