A Sample with a Mean of M = 40 and a Variance

question 44

Multiple Choice

A sample with a mean of M = 40 and a variance of s² = 20 has an estimated standard error of 1 point.How many scores are in the sample?

• A)4
• B)5
• C)20
• D)21

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Definitions:

Lithium

A chemical element used as a medication to treat mood disorders such as bipolar disorder by stabilizing mood swings.

Risperidone

An antipsychotic medication commonly used to treat schizophrenia, bipolar disorder, and irritability associated with autism.

Major Depressive Disorder

A mental health disorder marked by persistent feelings of sadness, worthlessness, and a lack of interest in daily activities.

Sertraline

An antidepressant medication belonging to the selective serotonin reuptake inhibitor (SSRI) class, used to treat depression and anxiety disorders.