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By the end of this unit you will be able to:

• Calculate measures of central tendency and percentiles on grouped data.
• Construct a frequency polygon.
• Construct a line graph.

This video explores how to find the mean from data in a table.

Why do astronauts appear weightless despite being near the Earth?

This video explores the histogram: which is one of the ways in which to present data.

How to solve for the horizontal displacement when the projectile starts with a horizontal initial velocity. We also explain common mistakes people make when doing horizontally launched projectile problems.

Video 1: How to create a line graph based on data
Video 2: Examples of different line graphs
Video 3: Further examples of line graphs

This podcast (audio) file explains how electric current can be obtained from the sun through the solar panel using direct illumination of the sun rays

Figuring out the acceleration of ice down a plane made of ice.

Determining how fast something will be traveling upon impact when it is released from a given height. 

Explore the various forces acting on a block sitting on an inclined plane. Learn how to break the force of gravity into two components - one perpendicular to the ramp and one parallel to the ramp. Finally, using geometry and trigonometry, learn how to calculate the magnitude of each component of force that is acting on the block.