George Calculates a Value of -1

question 9

Multiple Choice

George calculates a value of -1.87 for the variance (s²) for a set of data. This necessarily implies ______.

• A) the distribution of scores is negatively skewed
• B) there are outliers in the data
• C) most of the scores are less than the mean
• D) he needs to check his calculations

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Definitions:

Oxytocin

A hormone that plays roles in social bonding, sexual reproduction, childbirth, and the period after childbirth.

Nursing

The profession or practice of providing care for the sick and infirm.

Blood Pressure

The pressure of circulating blood on the walls of blood vessels, often measured for diagnosis since it is closely related to the force and rate of the heartbeat and the diameter and elasticity of the arterial walls.

Antidiuretic Hormone

A hormone secreted by the posterior pituitary gland that conserves water in the body by reducing urine output and increasing water absorption in the kidneys.