Understanding Data

Data analysis is about collecting and interpreting information. You'll learn to read charts, graphs, and tables.

Measures of Central Tendency

• Mean: The average (\( \text{Mean} = \frac{\text{Sum of values}}{\text{Number of values}} \))
• Median: The middle value when data is ordered.
• Mode: The value that appears most often.

Introduction to Probability

Probability measures how likely something is to happen. It's calculated as: \[ \text{Probability} = \frac{\text{Number of successful outcomes}}{\text{Total number of outcomes}} \]

Real-World Use

Data and probability are found in weather forecasts, sports statistics, and games of chance!