OpenStax, Introductory Statistics 2e §7.1 The Central Limit Theorem for Sample Means (Averages) · Exercise 12 · Statistics · Sampling distributions
The Central Limit Theorem for Sample Means (Averages) · Exercise 12
In 1940 the average size of a U.S. farm was 174 acres. Let’s say that the standard deviation was 55 acres. Suppose we randomly survey 38 farmers from 1940.
(a) In words, Χ = _____________
(b) In words, = _____________
(c) ~ _____(_____,_____)
(d) The IQR for is from _______ acres to _______ acres.
Its source prints no answer for this problem, so there's nothing to check against.
OpenStax, Introductory Statistics 2e · §7.1 The Central Limit Theorem for Sample Means (Averages) · Exercise 12
Stuck? A gentle nudge
No hints for this one.
Your working
Check your full solution
Upload photos of your handwritten work or a PDF, and Lemma will read it and tell you whether it's right — and where it first goes wrong if not.