A Researcher Believes That Children Who Attend Elementary School in a Rural

question 50

Multiple Choice

A researcher believes that children who attend elementary school in a rural setting are more physically active then children who attend elementary school in an urban setting. The researcher collects a random sample from each population and records the proportion of children in each sample who reported participating in at least one hour of rigorous activity a day. The data is summarized in the table below. Assume all the conditions for proceeding with a two-sample test have been met.

Find the z-statistic (rounded to the nearest hundredth) and p-value (rounded to the nearest thousandth) for this hypothesis test. Using a 5% significance level, state the correct conclusion regarding the null hypothesis:

• A) z=-1.79 There is insufficient evidence to reject the null hypothesis.
• B) z=1.79 There is sufficient evidence to reject the null hypothesis
• C) z=0.82 There is sufficient evidence to accept the null hypothesis.
• D) z=0.71 There is sufficient evidence to reject the null hypothesis.

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Definitions:

Psychodynamic Therapies

A group of treatments focusing on unconscious processes as they manifest in a person's present behavior, emphasizing the importance of early life experiences.

Internal Conflicts

Psychological struggles within the mind of a person, often arising from opposing desires or needs.

Behavior Therapists

Professionals who specialize in applying clinical and experimental psychological principles to modify problematic behaviors.

Maladaptive Behaviors

Actions or tendencies that are counterproductive to an individual's wellbeing or to achieving desired outcomes.