I Two Examples of a Hypothesis Are: 1) Mean Monthly

question 71

Multiple Choice

i. Two examples of a hypothesis are: 1) mean monthly income from all sources for senior citizens is $841 and
2) twenty percent of juvenile offenders ultimately are caught and sentenced to prison.
ii. Since there is more variability in sample means computed from smaller samples, we have more confidence in the resulting estimates and are less apt to reject null hypothesis.
iii. We call a statement about the value of a population parameter a hypothesis.

• A) (i), (ii), and (iii) are all correct statements.
• B) (i) is a correct statement but not (ii) or (iii).
• C) (i) and (iii) are correct statements but not (ii).
• D) (i) and (ii) are correct statements but not (iii).
• E) (i), (ii), and (iii) are all false statements.

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Definitions:

Heritability

The proportion of variation in traits within a population that can be attributed to genetic differences among individuals.

Schizophrenia

Schizophrenia is a severe mental disorder marked by disturbances in thought, perception, emotions, and behavior, leading to a detachment from reality (psychosis).

Inherited Vulnerability

A predisposition to certain psychological or physical conditions passed down from parents to their offspring through genes.

Evolution of Behaviour

The study of how and why animal and human behaviors change over generations through the principles of natural selection and genetics.