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

question 12

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??? $$\begin{array} { c c } \mathrm { X } & \mathrm { f } \\5 \text { or more } & 2 \\4 & 3 \\3 & 2 \\2 & 1 \\1 & 1 \\0 & 1\end{array}$$ ?

• A)mean?
• B)?median
• C)?mode
• D)?weighted mean

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Definitions:

Norepinephrine

A neurotransmitter and hormone involved in the body's fight or flight response, affecting heart rate, blood pressure, and blood sugar.

Erythropoietin

A hormone produced by the kidneys that stimulates the production of red blood cells in the bone marrow.

Mineralcorticoids

A class of steroid hormones that regulate electrolyte and water balance by the kidneys.

Testosterone

A primary male sex hormone that plays key roles in the development of male reproductive tissues and secondary sexual characteristics.