Tech Notes

My notes on Statistics, Big Data, Cloud Computing, Cyber Security

Tag Archives: types of hypothesis test

Statistical test selection

The type of hypothesis test to use depends on the nature of the investigation and the type of data available.

Statistical tests that compare the means (medians) for one, two, three or more groups/samples

Screenshot_122913_104946_PM

And for proportions..

Screenshot_123013_114831_AM

Screenshot_123013_114914_AM

Screenshot_123013_114937_AM

Screenshot_122713_082018_AM

parametric statistical test is one that makes assumptions about the parameters (defining properties) of the population distribution(s) from which one’s data are drawn, while a non-parametric test is one that makes no such assumptions

Disclaimer : These are my study notes – online – instead of on paper so that others can benefit. In the process I’ve have used some pictures / content from other original authors. All sources / original content publishers are listed below and they deserve credit for their work. No copyright violation intended.

References for these notes :

http://www.youtube.com/watch?v=rulIUAN0U3w

http://www.biochemia-medica.com/content/comparing-groups-statistical-differences-how-choose-right-statistical-test

http://mathnstats.com/index.php/hypothesis-testing/133-flow-chart-two-samples.html

Advertisements