Resultaten

Video 1: What are frequency polygons?
Video 2: Examples of frequency polygons
Video 3: Further examples of frequency polygons

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.

Outcomes

By the end of this course you will:

• Know what the 12 hour and 24 hour clocks are respectively
• Be able to convert times from the 12 to 24 hour clock and vice versa
• Be familiar with the units of time
• Learn how to convert one unit of time to another

This 32 minute long YouTube video investigates the water contamination problems in Tanzania, with specific focus on Dar Es Salaam. 

This 11 minute long YouTube video describes the various causes and types of water pollutants.

This YouTube video investigates what water pollution is and some examples and effects of water pollution.