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

question 118

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 sample mean height.
b. Compute the sample variance.
c. Compute the sample standard deviation.

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Definitions:

Skeletal

Relating to or constituting the bony framework of the body; involved in physical support and movement.

Motor Neuron

A type of neuron that transmits signals from the central nervous system to muscles or glands, resulting in movement or secretion.

Motor Unit

A single motor neuron and all the muscle fibers it innervates, functioning together to produce movement.

EMG Experiment

A diagnostic procedure involving recording and analyzing electrical activity produced by skeletal muscles.