The Number of Cartoons Watched on Saturday Mornings by Students

question 11

Multiple Choice

The number of cartoons watched on Saturday mornings by students in Mrs. Kelly's first grade class is shown below. What is the mean of the data?

• A) 1.37
• B) 2.15
• C) 1.89
• D) 1.18

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Definitions:

Medullary Respiratory Center

A region in the medulla oblongata of the brain that regulates the rate and depth of breathing.

Ventral Respiratory Group

The ventral respiratory group is a cluster of neurons located in the medulla oblongata that plays a crucial role in regulating the rhythm of breathing.

Intercostal Muscles

Muscles located between the ribs that play an essential role in the mechanics of breathing.

Diaphragm

A large, dome-shaped muscle located below the lungs that plays a key role in breathing by contracting and relaxing to alter the size of the thoracic cavity.