Which of the Following Statements Is True for the Chi-Squared

question 3

Short Answer

Which of the following statements is true for the chi-squared tests? $\begin{array}{|l|l|}\hline \text { A. } & \text { Testing for equal proportions is identical to testing for goodness-of-fit. } \\\hline \text { B. } & \begin{array}{l}\text { The number of degrees of freedom in a test of a contingency table with } r \text { rows and } c \\\text { columns is }(r-1)(c-1) \text {. }\end{array} \\\hline \text { C. } & \text { The number of degrees of freedom in a goodness-of-fit test with } k \text { categories is } k-1 . \\\hline \text { D. } & \text { All of these choices are correct. } \\\hline\end{array}$

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Definitions:

Psychotropic Drugs

Medications that affect the mind, emotions, or behavior by altering the chemistry of the brain.

Mental Institutions

Facilities designed for the treatment, care, and support of individuals with mental illnesses, historically referred to as asylums.

Deinstitutionalization Programs

Initiatives aimed at relocating individuals with mental illness from psychiatric hospitals or long-term care facilities to community-based settings, emphasizing outpatient care and support.

Dropout Rates

The percentage of individuals who leave an educational institution without completing their course of study.