HiSet: High School Equivalency Test: Math

The HiSet Math subject prepares students for the mathematics section of the High School Equivalency Test, covering essential math skills and concepts.

Advanced Topics

Data Analysis & Probability

Making Sense of Data

Data analysis helps you collect, organize, and interpret information. You'll learn how to read charts, tables, and graphs, and how to spot trends.

Probability Basics

Probability tells you how likely something is to happen. It's about predicting chances, like flipping a coin or rolling dice.

Why It's Useful

Understanding data and probability helps you make smart decisions, from checking the weather forecast to evaluating risks in everyday life.

Common Visuals

  • Bar graphs
  • Pie charts
  • Line graphs

Key Formula

\[P(E) = \frac{\text{Number of favorable outcomes}}{\text{Total possible outcomes}}\]

Examples

  • Reading a bar graph to compare favorite sports in your class.

  • Calculating the chance of drawing a red card from a deck.

In a Nutshell

Data and probability skills help you understand information and predict outcomes.

Key Terms

Probability
How likely it is that an event will happen.
Mean
The average value in a set of numbers.
Trend
A general direction in which something is developing or changing.