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Results tagged with hypothesis-testing
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user 6575
Hypothesis testing assesses whether data are inconsistent with a given hypothesis (usually a null hypothesis of no effect).
2
votes
Why is a t-test necessary given that we have the z-test?
I don't think I understand your question completely. Are you asking why you would use a t-test?
If you understand why you would use a z-test, you should have a good idea of why you would use a t-test …
- 572
0
votes
Is it a problem that the sizes of randomized groups can differ?
If your randomization process is exogenous to the relationships you are measuring, your results should be unbiased.
If you are interested in click-through rates of the different treatments, you will …
- 572