Find the Range for the Given Sample Data $$\begin{array} { l l r l l } 19.9 & 15.4 & 8.3 & 19.9 & 25.2 \\28.9 & 20.7 & 24.2 & 16.5 & 22.9\end{array}$$

question 87

Multiple Choice

Find the range for the given sample data.
-A class of sixth grade students kept accurate records on the amount of time they spent playing video games during a one-week period. The times (in hours) are listed below:
$$\begin{array} { l l r l l } 19.9 & 15.4 & 8.3 & 19.9 & 25.2 \\28.9 & 20.7 & 24.2 & 16.5 & 22.9\end{array}$$

• A) 25.2 hr
• B) 8.3 hr
• C) 4.5 hr
• D) 20.6 hr

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Definitions:

Hormones

Chemical substances produced in the body that regulate and control the activity of certain cells or organs.

Signals

Forms of communication or stimuli that elicit a response in biological systems, such as hormones, neurotransmitters, or environmental cues.

Blood Calcium Concentration

The amount of calcium in the bloodstream, essential for various bodily functions including bone formation, muscle contraction, and blood clotting.

Calcitonin

A hormone produced by the thyroid gland that helps regulate calcium levels in the blood by lowering them when they are high.