Which of the Following Is/are TRUE of the Normal Distribution

question 414

Multiple Choice

Which of the following is/are TRUE of the normal distribution (bell-shaped curve) ?

• A)The mean is equal to the mode.
• B)The mean is equal to the median.
• C)50% of the scores fall below the mean.
• D)Approximately 68% of the scores fall between -1 standard deviation and +1 standard deviation.
• E)All of these choices are correct.

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Definitions:

Supplemental Oxygen

Additional oxygen provided to improve oxygenation in patients who are unable to maintain adequate levels on their own.

Postoperative Period

The phase of recovery following surgical procedures, requiring careful monitoring and care to ensure healing.

Pulse Oximetry

A non-invasive method to measure the oxygen saturation level of the blood, often using a sensor placed on a fingertip.

Cyanotic

Refers to bluish discoloration of the skin and mucous membranes due to insufficient oxygen in the blood.