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 \(d\)?
This exercise is part of the course
HarvardX Data Science Module 4 - Inference and Modeling
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