Lemma
MediumSampling distributions
OpenStax, Introductory Statistics 2e §7.2 The Central Limit Theorem for Sums · Exercise 17 · Statistics · Sampling distributions

The Central Limit Theorem for Sums · Exercise 17

An unknown distribution has a mean 12 and a standard deviation of one. A sample size of 25 is taken. Let X = the object of interest.

What is the standard deviation of ΣX?

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OpenStax, Introductory Statistics 2e · §7.2 The Central Limit Theorem for Sums · Exercise 17

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