The Human Resources Department at a Major High Tech Company

question 96

Multiple Choice

The human resources department at a major high tech company plans to conduct an employee satisfaction study by sampling 100 employees from the 3,000 total employees. They plan to use systematic random sampling since the employee file is in alphabetic order. The first employee selected in the study should be:

• A) the 30th employee.
• B) employee 1 to 30 randomly selected.
• C) employee 1 to 100 randomly selected.
• D) the first employee.

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Definitions:

Scatter Plot

A graphical representation that displays the relationship between two quantitative variables by using dots.

Slope

In mathematics, the slope represents the steepness or angle of a line, defined as the ratio of the vertical change to the horizontal change between two points on the line.

Simple Linear Regression

A statistical method for modeling the relationship between a single independent variable and a dependent variable by fitting a linear equation to observed data.

Least Squares

A mathematical method used to determine the best-fitting line through a set of data points by minimizing the sum of the squares of the differences between observed and estimated values.