Challenge Question
When can we find the exact answer and when can we only find an estimate?
Learning Targets
Beginning
To be able to use measures of averages to investigate problems.
Developing
To be able to demonstrate the method for finding the mean from a frequency table of discrete data.
Mastering
To be able to demonstrate the method for finding an estimate of the mean from a grouped frequency table of continuous data.
Resources
Beginning
Averages (from Ten Ticks 6,5, pages 3-6)*
Chapter 9 - Data Analysis, page 1
Developing
Worked example
Chapter 9 - Data Analysis, page 6
Mastering
Averages from Tables (from Ten Ticks 7-8, 6, page 33-34)*Averages (from Ten Ticks 6,5, pages 3-6)*
Chapter 9 - Data Analysis, page 1
Developing
Worked example
Chapter 9 - Data Analysis, page 6
Mastering
Book Review
Homework