Section 4: Representing Data Graphs visually depict data, making it easier to see patterns and trends. K What I Know W What I Want to Find Out L What I Learned Essential Questions
Why are graphs created? How can graphs be interpreted? Copyright McGraw-Hill Education Representing Data Vocabulary Review
New independent variable Copyright McGraw-Hill Education graph Representing Data Graphing
A graph is a visual display of data that makes trends easier to see than in a table. A circle graph, or pie chart, has wedges that visually represent percentages of a fixed whole. Copyright McGraw-Hill Education Representing Data
Graphing Bar graphs are often used to show how a quantity varies across categories. Copyright McGraw-Hill Education Representing Data Graphing
On line graphs, independent variables are plotted on the xaxis and dependent variables are plotted on the y-axis. Copyright McGraw-Hill Education Representing Data Graphing If a line through the points is straight, the relationship is linear and can be analyzed further by examining the slope.
Copyright McGraw-Hill Education Representing Data Interpreting Graphs Interpolation is reading and estimating values falling between points on the graph. Extrapolation is estimating values outside the points by
extending the line. This graph shows important ozone measurements and helps the viewer visualize a trend from two different time periods. Copyright McGraw-Hill Education Representing Data Tracking Crime Concepts in Motion
FPO Add link to video from page 57 here. Copyright McGraw-Hill Education Representing Data Review Essential Questions Why are graphs created?
How can graphs be interpreted? Vocabulary graph Copyright McGraw-Hill Education Representing Data
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Recording and presentation slides from Demo on May 4th are available on PowerSource. PowerSource.PowerSchool.com . New Address for PowerSource! Community > Forums > Colorado User Group Forum. [email protected]
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