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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
242 Empirical Research in Software Engineering
DOF=ne1, where e is the number of parameters that must be estimated
(mean [µ] and standard deviation [σ]) and n is the number of segments.
In our example, DOF = 1021=7. The computed p-value is 0.0499.
Step 4: Dene signicance level.
At signicance value (0.05),
χ
2
value from distribution table is 14.07. Since, the
tabulated value of
χ
2
is greater than the calculated value, the results are not
signicant. The obtained p-value is also almost equal to α=0.05.
Step 5: Derive conclusions.
The results are not signicant at 0.05signicance level. Hence, we accept thenull
hypothesis, ...
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Publisher Resources

ISBN: 9781498719735