SAT Subject Test in Math I

The SAT Subject Test in Math I assesses students' understanding of fundamental mathematical concepts and skills.

Advanced Topics

Data Analysis and Probability

Making Sense of Information

Data analysis involves collecting, organizing, displaying, and interpreting data. Probability measures the likelihood of events.

Describing Data

  • Mean: The average
  • Median: The middle value
  • Mode: The most common value

Introduction to Probability

Probability ranges from 0 (impossible) to 1 (certain). It's calculated as \(P = \frac{\text{favorable outcomes}}{\text{total outcomes}}\).

Applications

Understanding data helps in making predictions and informed decisions—from sports to weather forecasting!

Common Pitfalls

  • Confusing mean, median, and mode
  • Forgetting all possible outcomes in probability

Examples

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

  • Finding the average test score in a class.

In a Nutshell

Data analysis helps us understand information; probability predicts chances of events.

Key Terms

Mean
The sum of values divided by the number of values.
Probability
The likelihood that a specific event will occur.