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  5. HarvardX Data Science Module 4 - Inference and Modeling

Exercise

Exercise 8. Standard error of d

Our estimate for the difference in proportions of Democrats and Republicans is \(d = \bar{X} - (1-\bar{X})\).

Which derivation correctly uses the rules we learned about sums of random variables and scaled random variables to derive the standard error of \(d\)?

Instructions

50 XP

Possible answers