1. Lesson 3

1.10. Lesson 3 Summary

Mathematics 30-3 Module 4

Module 4: Statistics

 

Lesson 3 Summary

 

In this lesson you investigated the following questions:

  • When is a weighted mean used?
  • When are some data values worth more than others?
  • How do you determine a weighted mean?

Weighted means play a part in evaluation, whether it is in the classroom or workplace. Understanding the mathematics behind weighted means can also help you make decisions about costs in the workplace.