Statistics Terms

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Author:
kkleen
ID:
101051
Filename:
Statistics Terms
Updated:
2011-09-11 14:35:21
Tags:
Statistics
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Description:
Key terms used in statistics
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  1. Null hypothesis
    The assumption is that whatever is proposed as a cause has no effect on the variable being measured.
  2. Confidence Interval
    Expression of how closely the sample estimate matches the true value in the whole population.
  3. Mean
    The average value in a data set
  4. Median
    Midde value separating the greater and lesser halves of a data set
  5. Mode
    Most frequent value in a data set
  6. Variance
    Descriptor of how far numbers in a data set lie from the mean
  7. Standard Deviation
    The square root of the variance of a data set

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