OpenStax, Introductory Statistics 2e §7.2 The Central Limit Theorem for Sums · Exercise 16 · Statistics · Sampling distributions
The Central Limit Theorem for Sums · Exercise 16
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 mean of ΣX?
Its source prints no answer for this problem, so there's nothing to check against.
OpenStax, Introductory Statistics 2e · §7.2 The Central Limit Theorem for Sums · Exercise 16
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