Ch. 19 Confidence Intervals
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Ch. 19 Confidence Intervals - Presentation Transcript
- POPULATION p = ??? SAMPLE Construct an interval to determine p. Conditions must be met. 1. Take a sample 2. Get sample statistic (p-hat) 3. Determine standard error (root[(p-hat)(q-hat)/n]) 4. Determine margin of error (using critical value) 5. Construct interval p-hat +/- S.E.(p-hat)
- POPULATION p = ??? SAMPLE Construct an interval to determine p. Conditions must be met. 1. Take a sample 2. Get sample statistic (p-hat) 3. Determine standard error (root[(p-hat)(q-hat)/n]) 4. Determine margin of error (using critical value) 5. Construct interval p-hat +/- S.E.(p-hat)
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Calculation of confidence intervals is presented. more
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