The Numbers of Hours Worked (Per Week) by 400 Statistics

question 57

Multiple Choice

The numbers of hours worked (per week) by 400 statistics students are shown below. ​ The percentage of students who work at least 20 hours per week is

• A) 25%.
• B) 50%.
• C) 75%.
• D) 100%.

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Definitions:

Standard Form

A way of writing down very large or very small numbers easily in mathematics, or the general representation of a linear equation as Ax + By = C.

Hyperbola

A smooth curve located in a plane, characterized by its geometric characteristics or by the solutions of equations describing it.

Asymptotes

Lines that a curve approaches as it heads towards infinity.

Graph

A plot that illustrates the relationship between two or more variables, typically used in mathematics to display functions or data sets.