For the Following Frequency Distribution (Assume the Data Represent a Population)

question 51

Essay

For the following frequency distribution (assume the data represent a population), $$\begin{array} { l r } \text { Class } & \text { Frequency } \\70 - 79 & 5 \\80 - 89 & 9 \\90 - 99 & 11 \\100 - 109 & 9 \\110 - 119 & 6\end{array}$$ ​
a.
Compute the mean.
b.
Compute the standard deviation.

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Definitions:

Comatose Adult

An adult in a state of deep unconsciousness from which the person cannot be awakened, resulting from illness, injury, or some other medical condition.

Nasal Cannula

A device used to deliver supplemental oxygen or airflow to a patient or individual needing respiratory help, consisting of a lightweight tube which on one end splits into two prongs which are placed in the nostrils and from which a stream of oxygen is delivered.

Systolic Blood Pressure

The maximum pressure in the arteries during the cardiac cycle, when the heart contracts and pumps blood out.

Diastolic Pressure

The lower number in a blood pressure reading, representing the pressure in the arteries when the heart rests between beats.