Graphs
Introduction to Data & Statistics
Data: A collection of facts, such as numbers, measurements, or
observations.
Statistics: The science of collecting, organizing, interpreting, and
analyzing data.
Graphs: Visual tools used to display statistics and make data easier to
understand.
Types of Statistical Diagrams
Line Graph: Used to show trends or changes over time.
Example: Tracking the number of movies watched per year or
cookie sales per day.
Bar Graph: Uses rectangular bars to compare different categories of
data.
Example: Comparing the number of students who prefer
different types of fruit.
Pie Chart: A circular chart divided into sectors to show numerical
proportions (parts of a whole).
Example: Showing the percentage of a budget spent on
different expenses.
Pictograph: Uses pictures or symbols to represent data.
Example: Using apple icons to represent the amount of fruit
sold.
Key Statistical Measures
