One Item on a Questionnaire Asks Students How Many Times $\begin{array}{cc}X & f \\\hline 5 \text { or more } & 2 \\4 & 3 \\3 & 2 \\2 & 1 \\1 & 1 \\0 & 1\end{array}$

question 15

Multiple Choice

One item on a questionnaire asks students how many times in a typical week they eat at a fast-food restaurant.The responses for a sample of n = 10 students are summarized in the frequency distribution.What is the best measure of central tendency for these data? $\begin{array}{cc}X & f \\\hline 5 \text { or more } & 2 \\4 & 3 \\3 & 2 \\2 & 1 \\1 & 1 \\0 & 1\end{array}$

• A) the mean
• B) the median
• C) the mode
• D) Central tendency cannot be determined for these data

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Definitions:

External Intercostals

Muscles located between the ribs that aid in the process of inhalation by elevating the ribcage.

Rectus Abdominis

A paired muscle extending along the front of the abdomen that is important for posture and involved in flexing the spine.

Pulmonary Veins

The veins that carry oxygenated blood from the lungs back to the left atrium of the heart.

Bronchial Arteries

Arteries that provide oxygenated blood to the bronchi and connective tissue of the lungs.