OpenStax, Introductory Statistics 2e §7.2 The Central Limit Theorem for Sums · Exercise 23 · Statistics · Sampling distributions
The Central Limit Theorem for Sums · Exercise 23
An unknown distribution has a mean of 25 and a standard deviation of six. Let X = one object from this distribution. What is the sample size if the standard deviation of ΣX is 42?
OpenStax, Introductory Statistics 2e · §7.2 The Central Limit Theorem for Sums · Exercise 23
Stuck? A gentle nudge
No hints for this one.
Your working
Check your full solution
Attach photos of your pages (up to 3) or one PDF — or check what you typed above. Lemma reads the work and verifies the reasoning, not just the answer.
Your first check today doesn't need an account.
Your photos and PDFs are read once and not stored — only the transcription is kept.