The Frequency Distribution of the Number of Years of Service

question 30

Essay

The frequency distribution of the number of years of service for 100 employees is shown below. $$\begin{array} { | l | c | } \hline \text { Years } & \text { Frequency } \\\hline 0 \text { up to } 5 & 12 \\\hline 5 \text { up to } 10 & 16 \\\hline 10 \text { up to } 15 & 42 \\\hline 15 \text { up to } 20 & 20 \\\hline 20 \text { up to } 25 & 10 \\\hline \text { Total } & 100 \\\hline\end{array}$$ a. Estimate the proportion of employees who have fewer than 10 years of service.
b. Estimate the proportion of employees who have more than 20 years of service.
c. Estimate the proportion of employees who have between 10 and 20 years of service.

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Definitions:

Intelligence

The capability to acquire knowledge through experiences, resolve issues, and apply understanding to adjust to changing circumstances.

Adopted Children

Children who have been legally taken by individuals or couples other than their biological parents to be raised as their own.

Biological Parents

The parents who are genetically related to the child.

Standardized

Something made to have a uniform structure or composition, often through regulation or setting of norms to ensure consistency.