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  5. HarvardX Data Science Module 4 - Inference and Modeling

Exercise

Exercise 10. Sample size

So far we have said that the difference between the proportion of Democratic voters and Republican voters is about 10% and that the standard error of this spread is about 0.2 when \(N=25\). Select the statement that explains why this sample size is sufficient or not.

Instructions

50 XP

Possible answers