Using P-value method, how would you reject or fail to reject the null hypothesis

Question

Using P-value method, how would you reject or fail to reject the null hypothesis?(What is the decision criteria?) How does level of significance matter to the hypothesis testing? If the P- value is such that you can reject H_0 at the 5% level of significance, can you always reject H_0 at the 1% level? Explain. What do we mean when we say the data used in a statistical test are significant? In class we mentioned: "If you are conducting a study and want to use a hypothesis test to support your claim, the claim must be worded so that it becomes the alternative hypothesis"Please Explain. In hypothesis testing, why it is more appropriate to use "Fail to reject to H_0" instead of "Accept H_0"? Explain the type I and type II error.Describe the general steps to use traditional Critical Region methods. Describe the relationship between two variables when the correlation coefficient r is near -1 near 0 near +1 What is the meaning of the "least-squares" criterion?

Explanation / Answer

6) WHEN WE SAY THAT THE DATA USED IN THE T TEST IS SIGNIFICANT IT MEANS THAT THE P VALUE MUST BE GREATER THEN THE SIGNIFICANCE LEVEL AND WE CAN REJECT THE NULL HYPOTHESIS AS THERE IS SIGNIFICANT EVIDENCE TO SUPPORT THE CLAIM

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