We will:
1. Prepare for task A - test
2. Read pages 260 - 263 & take notes
3. Read pages 265 - 276 & take notes
Cette leçon contient 19 diapositives, avec quiz interactifs et diapositives de texte.
We will:
1. Prepare for task A - test
2. Read pages 260 - 263 & take notes
3. Read pages 265 - 276 & take notes
There are a number of ways of calculating averages;
THE MEAN
THE RANGE
THE MEDIAN
THE MODE
Take note of things like;
* excess of information
* reliability of sample
* bias
* subjectivity
Homework: please study for your test (task A).
pages 238 - 256
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