According to the central limit theorem, the distribution of the sample means is normal if ________. Group of answer choices   A. the underlying population is normal B. the sample size n ≥ 30 C. the standard deviation of the population is known D. both the underlying population is normal and the sample size n ≥ 30 are correct

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 16HP
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According to the central limit theorem, the distribution of the sample means is normal if ________.

Group of answer choices
 
A. the underlying population is normal
B. the sample size n ≥ 30
C. the standard deviation of the population is known
D. both the underlying population is normal and the sample size n ≥ 30 are correct
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