How to find hypothesis testing and how to know which test to use?
We generally start with the null hypothesis.
Null hypothesis means that there is no difference in the reality.
For the sake of example suppose you have two medicines: Drug A, and Drug B.
Now, we want to know which drug is better!
This is our research question. To know this we have to frame our hypothesis:
Now its consensus among scientists that its easier to reject the null hypothesis than to prove the alternate hypothesis. The reason of this is Suppose you have to prove that every cow is black in this world. Now you can disprove this simply on observing one white cow! this is rejection of null hypothesis.
But if will test every cow for whether its black or white
PSM / COMMUNITY MEDICINE by Dr Abhishek Jaiswal is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.
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