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X is a normally distributed random variable with mean, µ but unknown variance, o Which of these statements is true about the sample mean, x of a random sample of size, n? s' is the sample variance estimate of o. X-u A. ntn-1 X-u В. ~N(0,1) S S /n /n ~tn-1 X-u D. ~N(H, o²) С.

X is a normally distributed random variable with mean, µ but unknown variance, o Which of these statements is true about the sample mean, x of a random sample of size, n? s' is the sample variance estimate of o. X-u A. ntn-1 X-u В. ~N(0,1) S S /n /n ~tn-1 X-u D. ~N(H, o²) С.

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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Q20. X is a normally distributed random variable with mean, µ but unknown variance, o? Which of these statements is true about the sample mean, x of a random sample of size, n? s' is the sample variance estimate of o². X-u A. tn-1 X-u B. S ~N(0,1) S /n /n X-u D. .~Ν (μ, σ') С. ~tn-1 n
Transcribed Image Text:Q20. X is a normally distributed random variable with mean, µ but unknown variance, o? Which of these statements is true about the sample mean, x of a random sample of size, n? s' is the sample variance estimate of o². X-u A. tn-1 X-u B. S ~N(0,1) S /n /n X-u D. .~Ν (μ, σ') С. ~tn-1 n
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