STAT231 Lecture Notes - Tim Hortons, Geometric Distribution, Rafael Nadal
17 Jan 2014
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Document Summary
Example: spending in coffee shops: one sided alternative hypotheses. Introduction: the purpose of statistical inference is to draw conclusions about a population parameter. Point estimates: what is the best estimate ? (maximum likelihood) Hypothesis tests specific value: test whether the population parameter could be a. Introduction: in law we are used to making hypotheses: H1: defendant is guilty: h zero is pronounced h naught , we find the defendant guilty or not guilty , we cannot prove the defendant is innocent. Introduction: legal trials use the concept of beyond reasonable doubt . If a suspect is acquitted, this does not mean he/ she didn"t do it. It means the jury was not certain beyond a reasonable doubt : in the us, for the same crime you can be found. Not guilty in a criminal trial but. The criminal trial requires a greater degree of evidence. Testing statistical hypotheses: statistical hypotheses test whether a population parameter could be a specific value.
