The Frequency Distribution Below Displays the Distribution of Age for a Sample

question 49

Essay

The frequency distribution below displays the distribution of age for a sample drawn from a community.Finish the table by completing the columns for percentages,and cumulative percentages.
$\begin{array}{|l|l|l|l|}\hline \text { AGE }\\\hline& \text {Cumulative}\\& \text {Percentage}\\\hline \text { ClassIntervals } & \text { Frequency } & \text { Percentage } &\quad\quad\quad\quad\quad\quad \\\hline 10-19 & 9 \\\hline 20-29 & 17 \\\hline 30-39 & 45 \\\hline 40-49 & 56 \\\hline 50-60 & 23 \\\hline 60-69 & 10 \\\hline 70-79 & 8 \\\hline \text { TOTALS } & &\\\hline\end{array}$

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Definitions:

Quadriceps Group

A muscle group located in the front of the thigh, consisting of four muscles that extend the knee and provide leg extension.

Biceps Femoris

A muscle of the thigh located at the back of the leg, part of the hamstring group, involved in knee flexion and hip extension.

Rectus Femoris

One of the four quadriceps muscles of the thigh, responsible for extending the knee and flexing the thigh.

Vastus Lateralis

The Vastus Lateralis is one of the four muscles of the quadriceps group, located on the side of the thigh, primarily responsible for extending the knee.