Over Three Million Cases of Child Abuse and Neglect Are

question 15

Multiple Choice

Over three million cases of child abuse and neglect are investigated in the United States annually.The majority of reports are for

• A)neglect.
• B)physical abuse.
• C)sexual abuse.
• D)medical neglect.

---

Definitions:

Null Hypotheses

The null hypothesis is a statement in statistical hypothesis testing that assumes no effect or no difference in the case of the study, serving as the default or initial assumption.

T-test

A statistical method employed to assess if there's a notable difference in the averages of two distinct groups.

Significance Level

A predetermined threshold for determining statistical significance in hypothesis testing, typically set at 0.05, which represents the risk of committing a Type I error.

T-statistic

A ratio of the departure of an estimated parameter from its notional value and its standard error.