The Heights of 20 Students Are as Follows (Rounded to the Nearest

question 41

Multiple Choice

The heights of 20 students are as follows (rounded to the nearest inch) : 66, 68, 65, 70, 67, 67, 68, 66, 69, 70, 68, 67, 67, 65, 69, 65, 67, 66, 69, 69 The bar graph below is drawn to scale. If the bar labeled A corresponds to the smallest recorded height and E corresponds to the largest, decide how many units tall each bar should be. Choose the correct heights for bars A and D .

• A) A : 4, D : 3
• B) A : 2, D : 3,
• C) A : 4, D : 2
• D) A : 3, D : 2
• E) A : 3, D : 3

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Definitions:

Muscle Tension

The condition of muscles being semi-contracted for an extended period, often resulting from stress or physical exertion.

Spine Pressure

Stress or force exerted on the spinal column, which can lead to discomfort or injury.

Thermal Biofeedback

Feedback concerning changes in skin temperature.

Vasodilation

The widening of blood vessels, which decreases blood pressure and increases blood flow to certain areas of the body.