Statistics

Statistics

The science of the collection, organisation and analysis of data.

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Statistics > Statistical standardization

normal score

Statistics; Statistical standardization

Indicates the number of standard deviations away from a mean that a particular observation occupies.

standard score, z-value

Statistics; Statistical standardization

Indicates the number of standard deviations away from a mean that a particular observation occupies.

random error

Statistics; Statistical standardization

Errors in measurement that are generally different each time the same sample is measured. The value of the error is unpredictable and can be caused by fluctuations in the reading ...

sound argument

Statistics; Statistical standardization

An argument that is logically valid and its premises are true. A logical argument can not be sound if its premises are not true.

outlier

Statistics; Statistical standardization

An observation or data point that is far removed from the rest of the data. Outliers can be result from measurement error or from a skewed distribution.

conditional probability

Statistics; Statistical standardization

The probability that an event A will occur knowing that event B is known to have occurred. In statistics, this is often shortened to "the probability of A given B".

normal curve

Statistics; Statistical standardization

A bell-shaped curve that is symmetric around the center point. Most histograms resemble a normal curve once the data has been converted to standard units.