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Empirical Research in Software Engineering
book

Empirical Research in Software Engineering

by Ruchika Malhotra
March 2016
Intermediate to advanced content levelIntermediate to advanced
498 pages
18h 20m
English
Chapman and Hall/CRC
Content preview from Empirical Research in Software Engineering
26 Empirical Research in Software Engineering
1.8.10 Parametric and Nonparametric Tests
In hypothesis testing, statistical tests are applied to determine the validity of the hypoth-
esis. These tests can be categorized as either parametric or nonparametric. Parametric tests
are used for data samples having normal distribution (bell-shaped curve), whereas non-
parametric tests are used when the distribution of data samples is highly skewed. If the
assumptions of parametric tests are met, they are more powerful as they use more infor-
mation while computation. The difference between parametric and nonparametric tests is
presented in Table 1.4.
1.8. ...
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Publisher Resources

ISBN: 9781498719735