What is the importance of the null hypothesis

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What is the importance of the null hypothesis? Why has it been the backbone of mainstream hypothesis testing for decades?

- The difference between a one tail and a two tailed test.

- The importance of stating the null and alternative hypotheses before conducting the test.

- What is the difference between a type I and type II error? The importance of a type one error (p) in conducting the test. What are its limitations? What are the implications in the context of accepting or rejecting a null hypothesis?

- The relationship between the p value and our decision to accept or reject the null hypothesis

 

Reference no: EM132574230

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