Which of the Following Equations Is Incorrect

question 3

Multiple Choice

Which of the following equations is incorrect?

• A) Var(
• R) =
• B) SD(
• R) =
• C) Var(
• R) = P_R × (R - E[R])²
• D) E[R] = P_R × R

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Definitions:

Biomedical Therapy

Treatments for mental disorders that involve physiological interventions, such as medication, surgical methods, or other medical procedures, to alter an individual's brain chemistry or functioning.

Electroconvulsive Therapy

A medical treatment involving electrically induced seizures for therapeutic effect, primarily used in severe cases of depression.

Drug Therapy

The treatment of disease by administering pharmaceutical substances.

Behaviour Therapists

Specialists in psychology that apply principles of learning and conditioning to help change maladaptive behaviors in individuals.