AP Statistics Ch 10 Review

AP Statistics Ch 10 Review - AP Statistics Chapter 10...

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AP Statistics Chapter 10 Review
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Free Response 4-step method: Hypotheses: words and symbols Choose test, verify conditions Test Statistic, p-value, sketch In context interpretation
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Things to remember N >= 30 for sample size, if it’s too small(15 – 30), do a check for normality.(stemplot, norm prob plot, boxplot, histogram). Everything must be interpreted in context
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Hypothesis test Interpretation Based on a p-value of _____ there is(is not) sufficient evidence to reject H 0 at α = ___. The mean _________ is(is not) in fact different from ________.
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Confidence Interval The ____% CI for the mean _________ is ( ___, ____). We have ____% confidence that the method we used will capture the true mean _____ ____% of the time.
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Power and Significance Level α is significance level( type 1 error) β is probability of type 2 error (1 – β) is power. You don’t need to calculate power, it’s difficult(not ridiculuous) and not necessary.
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MC Review #1 A researcher is working on a new treatment for a certain type of cancer. The average survival time based on the standard treatment is 2 years. In trial of 3 subjects, the average survival
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This note was uploaded on 12/20/2010 for the course STAT 3311 at University of Houston.

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AP Statistics Ch 10 Review - AP Statistics Chapter 10...

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