The Following Data Are the Heights (In Cm) of the 25

question 56

Essay

The following data are the heights (in cm) of the 25 students in a business statistics class: $$\begin{array} { | l | l | l | l | l | l | l | l | l | l | } \hline 164 & 148 & 137 & 157 & 173 & 156 & 177 & 172 & 169 & 165 \\\hline 145 & 168 & 163 & 162 & 174 & 152 & 156 & 168 & 154 & 151 \\\hline 174 & 146 & 134 & 140 & 171 & & & & & \\\hline\end{array}$$ a. Compute the range of the data.
b. Compute the range approximation to the standard deviation of the data. (Hint: S  Range/4.)

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Definitions:

CFCs

Chlorofluorocarbons, a class of chemicals used in refrigerants and aerosols, which have been found to deplete the ozone layer.

Desertification

A progression where arable land turns into barren desert areas, usually caused by periods of dryness, the removal of trees, or improper agricultural methods.

Topsoil

Uppermost layer of soil; contains the most organic matter and plant nutrients.

Endemic

A term describing a species or condition regularly found and restricted to a certain area or population.