P-value Interpretation and Misinterpretation of P-value 2012

The P-value is a probability, with a value ranging from zero to one. It is a measure of how much evidence we have against the null hypothesis. P-value is a way to express the likelihood that $H_0$ is not true. The smaller the p-value, the more evidence we have against …

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P value and Significance Level

Difference Between the P value and Significance Level? Basically in hypothesis testing the goal is to see if the probability value is less than or equal to the significance level (i.e., is p ≤ alpha). It is also called the size of the test or the size of the critical …

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Testing of Hypothesis or Hypothesis Testing Made Easy

To whom is the researcher similar in hypothesis testing: the defense attorney or the prosecuting attorney? Why? The researcher is similar to the prosecuting attorney in the sense that the researcher brings the null hypothesis “to trial” when she believes there is a probability of strong evidence against the null. …

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