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Say you have a sample of size of n many independent observations X₁, X2,..., Xn from some unknown distribution with mean/expectation equal to μ and variance equal to o². n Which of the following is true about the distribution of the sample mean X = 1 ΣX ₂ ? EX n i=1

Say you have a sample of size of n many independent observations X₁, X2,..., Xn from some unknown distribution with mean/expectation equal to μ and variance equal to o². n Which of the following is true about the distribution of the sample mean X = 1 ΣX ₂ ? EX n i=1

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Say you have a sample of size of n many independent observations X₁, X2,..., unknown distribution with mean/expectation equal to μ and variance equal to o². Which of the following is true about the distribution of the sample mean X = It is completely unknown. It is approximately a normal distribution. It is approximately a uniform distribution. Xn from some It is constant. n ¹ Σ Xi ? n i=1
Transcribed Image Text:Say you have a sample of size of n many independent observations X₁, X2,..., unknown distribution with mean/expectation equal to μ and variance equal to o². Which of the following is true about the distribution of the sample mean X = It is completely unknown. It is approximately a normal distribution. It is approximately a uniform distribution. Xn from some It is constant. n ¹ Σ Xi ? n i=1
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