Instructional Video

Khan Academy: Statistics: Comparing Population Proportions 2

Curated by ACT

Video is the second of two parts to demonstrate an example using election statistics to compare the population proportions of the women and men who voted for a particular candidate. The first video showed how to calculate the mean and standard deviation of the difference of the proportions. This video shows how to create a confidence interval and use it to determine if the difference in proportions is significant. [10:00]

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