Independent random samples of 64 observations each are chosen from two normal populations with the means and standard deviations shown. Assume that x1 and x2 denote the two sample means. What is the standard deviation of the sampling distribution x2? A. .5 B. .425 C. .375 D. .565
Independent random samples of 64 observations each are chosen from two normal populations with the means and standard deviations shown. Assume that x1 and x2 denote the two sample means. What is the standard deviation of the sampling distribution x2? A. .5 B. .425 C. .375 D. .565
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter5: Inverse, Exponential, And Logarithmic Functions
Section5.3: The Natural Exponential Function
Problem 12E
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Independent random samples of 64 observations each are chosen from two normal populations with the means and standard deviations shown. Assume that x1 and x2 denote the two sample means. What is the standard deviation of the sampling distribution x2?
A. .5
B. .425
C. .375
D. .565
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