Fatima Calculated Descriptive Statistics for the Age of Residents in a Nursing

question 10

Multiple Choice

Fatima calculated descriptive statistics for the age of residents in a nursing home. She reported the mean age as 75 years, with a standard deviation of 10 years. Later she found that she had made an error in her calculations. One resident's age was entered as 27 when it should have been 72. When this correction is made

• A) the standard deviation for the data set will decrease.
• B) the standard deviation for the data set will not change.
• C) the standard deviation for the data set will increase.
• D) the correlation coefficient for the data set will become negative.

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Definitions:

Group Therapy

A form of psychotherapy where a small, structured group of people meet under the guidance of a trained therapist to discuss and explore their issues.

Atypical Antipsychotic Drugs

Medications used to treat psychiatric conditions, which differ from traditional antipsychotics in their chemical structure and side effects.

Traditional Antipsychotic Drugs

A class of medications used to treat symptoms of psychosis such as hallucinations and delusions, primarily affecting dopamine receptors.

Schizophrenia

A long-term mental disorder involving a breakdown in the relation between thought, emotion, and behavior, leading to faulty perception and inappropriate actions.