Hypothesis testing

Hypothesis testing is a statistical tool used to determine whether a result is statistically significant. Additionally, it can also be used to justify whether the result you received occurred by chance or whether it is an actual result.

In this regard, moreover, according to Oracle developers at https://docs.oracle.com/cd/A57673_01/DOC/server/doc/A48506/method.htm, a certain workflow would provide better performance tuning. The typical steps they have suggested are as follows:

  • Set clear goals for tuning
  • Create minimum repeatable tests
  • Test the hypothesis
  • Keep all records
  • Avoid common errors
  • Stop tuning when the objectives are achieved

Usually, the observed value tobs of the test statistic T is first computed. After that, the probability, ...

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