24 - of test that fits your situation. SOLVE: Carry out the...

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The big idea is the reasoning of a test: data that would rarely occur if the null hypothesis H0 were true provide evidence that H0 is not true. The P-value gives us a probability to measure “would rarely occur.” Tests of significance: The four-step process STATE: What is the practical question that requires a statistical test? PLAN: Identify the parameter, state null and alternative hypotheses, and choose the type
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Unformatted text preview: of test that fits your situation. SOLVE: Carry out the test in three phases: 1. Check the conditions for the test you plan to use. 2. Calculate the test statistic. 3. Find the P-value. CONCLUDE: Return to the practical question to describe your results in this setting. The test statistic z measures how far the observed sample mean deviates from the hypothesized population value µ0....
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This note was uploaded on 02/27/2012 for the course STAT 121 taught by Professor Patticolling during the Winter '11 term at BYU.

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