Q20. X is a normally distributed random variable with mean, µ but unknown variance, oʻ Which of these statements is true about the sample mean, of a random sample of size, n? s' is the sample variance estimate of o. ~tn-1 ~N(0,1) A. В. vn x-p ~tn-1 С. X-H ~N(H, o²) D. n n
Q20. X is a normally distributed random variable with mean, µ but unknown variance, oʻ Which of these statements is true about the sample mean, of a random sample of size, n? s' is the sample variance estimate of o. ~tn-1 ~N(0,1) A. В. vn x-p ~tn-1 С. X-H ~N(H, o²) D. n n
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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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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