LernStats
(Chapter 3 - Page 1 / 6)
Introduction to statistical characteristics
In order to answer the question:
How can we briefly describe a number of observations at large
(representing all the data without the need to communicate the data itself)?
descriptive statistics distinguish three different measures:
What number best represents the distribution of the values measured?
In addition to measures of central tendency, what other indicators are there for describing a distribution?
Measures of dispersion (spreads), summarize the variability of a distribution.
Which methods are there to compare two distributions?
Standardisation
On the following pages you will get an overview over the most commonly used statistical averages.
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