The Frequency Distribution of the Number of Years of Service

question 50

Essay

The frequency distribution of the number of years of service for 100 employees is shown below. $$\begin{array} { | c | c | } \hline \text { Years } & \text { Frequency } \\\hline 0 \text { up to } 5 & 12 \\\hline 5 \text { up to } 10 & 16 \\\hline 10 \text { up to } 15 & 42 \\\hline 15 \text { up to } 20 & 20 \\\hline 20 \text { up to } 25 & 10 \\\hline \text { Total } & 100 \\\hline\end{array}$$ 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:

Data Storehouse

A central repository for storing and managing large amounts of data from various sources, optimized for analysis and reporting.

Data Repository

A data repository is a central location in which data is stored and managed, typically used to aggregate, organize, and make data accessible for analysis and reporting.

Sensitivity Analysis

A method used to determine how different values of an independent variable affect a particular dependent variable under a given set of assumptions.

"What If"

A speculative question or scenario analysis technique used in planning and decision-making to explore potential outcomes.