What is the null hypothesis in statistical hypothesis testing, and how is it used?
- It states that the sample is biased
- It states that the sample is perfectly representative of the population
- It states that there is a significant effect or relationship in the population
- It states that there is no significant effect or relationship in the population
The null hypothesis (H0) in statistical hypothesis testing asserts that there is no significant effect or relationship in the population being studied. It is the default assumption and is tested against the alternative hypothesis.
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