A Study Conducted in 2000 Found That the Mean Number

question 16

Multiple Choice

A study conducted in 2000 found that the mean number of children under 18 per household in a certain community was 1.7.A statistician is trying to determine whether this number has changed in the last 6 years.Which of the following sets of hypotheses is correct for this test?

---

Definitions:

Conscientiousness

A dimension of personality that involves being disciplined, organized, and responsible for one's actions.

Cluster A

A classification within the Diagnostic and Statistical Manual of Mental Disorders (DSM), referring to personality disorders characterized by odd, eccentric thinking or behavior; includes paranoid, schizoid, and schizotypal personality disorders.

Paranoid

A mental condition characterized by delusions of persecution, unwarranted jealousy, or exaggerated self-importance, typically elaborated into an organized system.

Schizotypal

A personality disorder characterized by severe social anxiety, thought disorder, paranoid ideation, derealization, transient psychosis, and often unconventional beliefs.