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Web Science/Part2: Emerging Web Properties/Simple statistical descriptive Models for the Web/Typical length of a document

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Typical length of a document

Learning goals

  1. Be familiar with some basic statistical objects like Median, Mean, and Histograms
  2. Should be able to relate a histogram to its cumulative distribution function

Video

Script

Find the slide deck at File:Typical_length_of_a_document_Histograms.pdf

Quiz

1

given the following List [5,3,8,2,7] which value is the median?

2
3
5
7
8

2

given the following List [2,3,5,7,8] which value is the median?

2
3
5
7
8

3

given the following List [2,3,5,7,8] which value is the average?

2
3
5
7
8

4

given the following list [1,2,3,4,5,6,7] which statements are true?

The median is exactly the average
The median is smaller than the average
the average is smaller than the median
4 is the average
4 is the median
7 is the median
for any list of elements the median is smaller than the number of elements.


Further reading

  1. tba

Discussion

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