https://www.khanacademy.org/math/ap-statistics/xfb5d8e68:inference-categorical-proportions/two-sample-z-test-proportions/v/hypothesis-test-for-difference-in-proportions 2022-10-07T02:10:10.749739204Z Hypothesis test for difference in proportions Hypothesis test for difference in proportions video https://cdn.kastatic.org/googleusercontent/zYgrttEUQ1dtQSWyO73i_2kPAHx5XhXzDZbM8CR7rkGhYrVGvyn4R-VHmjNHHWjRNFX-S78EDDp4fxFr185OVbTISg Hypothesis test for difference in proportions Hypothesis test for difference in proportions https://cdn.kastatic.org/ka-youtube-converted/7iTWX8bfBv0.mp4/7iTWX8bfBv0.mp4 559 Two-proportion z-tests https://www.khanacademy.org/math/ap-statistics/xfb5d8e68:inference-categorical-proportions/two-sample-z-test-proportions/v/constructing-hypotheses-for-two-proportions 2022-10-07T02:10:10.749739204Z Constructing hypotheses for two proportions Constructing hypotheses for two proportions video https://cdn.kastatic.org/googleusercontent/x7PiEVcm9KOFSTdoUV7CG7JCbSv1-dEQzg8eWPizeAXLDe9rBdkBLtTYqP524DLV_yV-Z06RHRaD5XHfUFAWMdU9Zw Constructing hypotheses for two proportions Constructing hypotheses for two proportions https://cdn.kastatic.org/ka-youtube-converted/NCENjXTMp9I.mp4/NCENjXTMp9I.mp4 291 Two-proportion z-tests https://www.khanacademy.org/math/ap-statistics/xfb5d8e68:inference-categorical-proportions/two-sample-z-test-proportions/e/hypotheses-two-sample-z-test-proportions 2021-07-01T02:19:31Z Writing hypotheses for testing the difference of proportions Practice writing the null and alternative hypotheses in a two-sample z test for the difference of proportions. Jeff Dodds exercise https://www.khanacademy.org/math/ap-statistics/xfb5d8e68:inference-categorical-proportions/two-sample-z-test-proportions/v/hypothesis-test-for-difference-in-proportions-example 2022-10-07T02:10:10.749739204Z Hypothesis test for difference in proportions example Hypothesis test for difference in proportions example video https://cdn.kastatic.org/ka_thumbnails_cache/27e5c5d3-31f8-4f24-bb0b-5ebc1f31f343_1280_720_base.png Hypothesis test for difference in proportions example Hypothesis test for difference in proportions example https://cdn.kastatic.org/ka-youtube-converted/HOyNEU94xJQ.mp4/HOyNEU94xJQ.mp4 628 Two-proportion z-tests https://www.khanacademy.org/math/ap-statistics/xfb5d8e68:inference-categorical-proportions/two-sample-z-test-proportions/e/test-statistic-p-value-two-sample-z-test-proportions 2021-08-23T22:11:32.329477184Z Test statistic in a two-sample z test for the difference of proportions Calculate the test statistic in a two-sample z test for the difference of proportions. Jeff Dodds exercise https://www.khanacademy.org/math/ap-statistics/xfb5d8e68:inference-categorical-proportions/two-sample-z-test-proportions/e/p-value-difference-proportions 2026-06-23T13:38:27.041531116Z P-value in a two-sample z test for the difference of proportions Calculate the P-value in a two-sample z test for the difference of proportions. Jeff Dodds exercise https://www.khanacademy.org/math/ap-statistics/xfb5d8e68:inference-categorical-proportions/two-sample-z-test-proportions/v/p-value-conclusions-difference-proportions 2022-10-07T02:10:10.749739204Z Comparing P value to significance level for test involving difference of proportions Comparing P value to significance level for test involving difference of proportions video https://cdn.kastatic.org/googleusercontent/OW17WZ9rSsP-huqy_P6wSQQ9WYHuEI7-Zi0R-JZYfUd41lyRyIzmUxOeuaZ5lNxillZ5M6rxJjurinYCxg2Ij6SK Comparing P value to significance level for test involving difference of proportions Comparing P value to significance level for test involving difference of proportions https://cdn.kastatic.org/ka-youtube-converted/Y650kaYNlJU.mp4/Y650kaYNlJU.mp4 150 Two-proportion z-tests https://www.khanacademy.org/math/ap-statistics/xfb5d8e68:inference-categorical-proportions/two-sample-z-test-proportions/v/confidence-interval-for-hypothesis-test-for-difference-in-proportions 2022-10-07T02:10:10.749739204Z Confidence interval for hypothesis test for difference in proportions Confidence interval for hypothesis test for difference in proportions video https://cdn.kastatic.org/googleusercontent/z4vAV7gT9QM_ZCF-Rem2NfR5rSXAwexh0Bv9Qu5QngDMZnAvvGhkczzy2LtjGhJU6M2VkIVNH6S_AONU7IJD8Zjt Confidence interval for hypothesis test for difference in proportions Confidence interval for hypothesis test for difference in proportions https://cdn.kastatic.org/ka-youtube-converted/-VZUijm02h0.mp4/-VZUijm02h0.mp4 330 Two-proportion z-tests https://www.khanacademy.org/math/ap-statistics/xfb5d8e68:inference-categorical-proportions/two-sample-z-test-proportions/e/conclusions-two-sample-z-test-proportions 2021-07-01T02:19:29Z Making conclusions about the difference of proportions Make conclusions in a two-sample z test for the difference of proportions based on a p-value or a confidence interval. Jeff Dodds exercise