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

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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
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Video

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Script

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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.

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Further reading

  1. tba
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Discussion