Methods of Summarising Data
In this lesson we shall cover
- Dispersion
- Outliers
- Mean
- Variance
- Standard Deviation
- Scaling/Coding
- Skewness
Dispersion
We look at the spread of data which includes, the range and Inter Quartile Range
Outliers
We define an outlier and how to represent this on a box plot
Mean
Finding the mean from a frequency table
Variance
Finding the variance from a frequency table
Standard Deviation
Finding the standard deviation from a frequency table
Scaling/Coding
How and when to apply scaling/coding to your data
Skewness
How to measure the skewness of data
Lesson Resources
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