GIVEN INFORMATION CONDITIONS H0 TEST STATISTIC CONFIDENCE INTERVAL 1- Proportion Z-Test assume SRS 10n < population H0: Use instead of for conditions 2- Proportion Z-Test assume SRS independent samples 10n1 < population 10n2 < population H0: Use , instead of pc for conditions GIVEN INFORMATION CONDITIONS H0 TEST STATISTIC Goodness of Fit Test Observed counts assume SRS all expected counts >1 no more than 20% of expected counts < 5 SHOW EXPECTED COUNTS H0: The sample distribution is the same as the population distribution df = (# proportions ? 1) Test of Independence 2-way table same conditions as GOF Expected Counts = H0: The two variables are independent or
Inference Tests
GIVEN INFORMATION CONDITIONS H0 TEST STATISTIC CONFIDENCE INTERVAL 1- Proportion Z-Test assume SRS 10n < population H0: Use instead of for conditions 2- Proportion Z-Test assume SRS independent samples 10n1 < population 10n2 < population H0: Use , instead of pc for conditions GIVEN INFORMATION CONDITIONS H0 TEST STATISTIC Goodness of Fit Test Observed counts assume SRS all expected counts >1 no more than 20% of expected counts < 5 SHOW EXPECTED COUNTS H0: The sample distribution is the same as the population distribution df = (# proportions ? 1) Test of Independence 2-way table same conditions as GOF Expected Counts = H0: The two variables are independent or
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