HYPOTHESIS TESTING CHAPTER 8 Section 8.1 - 8.2 - Large ...

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We prove the alternate by showing that the null isfalse beyond a reasonable doubt (Think of a murdertrial...) . There are only two conclusions we canreach:Summary :Reject the NullCannot reject the NullForm of H0:population parameter = hypothesized value 0Form of Ha :1) ≠Errors in Hypothesis Testing
What are the two most common courtroommistakes??a)In hypothesis testing, this error is the same asrejecting the null hypothesis when it is true. Such anerror is called a Type I Error. The probability ofmaking this error is denoted by and is called thesignificance level of the test.b)In hypothesis testing, this is equivalent to failingto reject the null when it is false. This error is calledthe Type II error and the probability of making thiserror is denoted by .
Page 1 and 2: HYPOTHESIS TESTINGCHAPTER 8Section
Page 3: Let us start with an example: Recal
Page 7 and 8: Test Statistic: The test statistic
Page 9 and 10: In General:For n large enough, a fi
Page 11 and 12: Some more examples:example 2: A sup
Page 13: example 4: A psychologist is intere

HYPOTHESIS TESTING CHAPTER 8 Section 8.1 - 8.2 - Large ...

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