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
icon
Related questions
Question

20

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
Expert Solution
steps

Step by step

Solved in 2 steps

Blurred answer
Recommended textbooks for you
MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
Probability and Statistics for Engineering and th…
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
Statistics for The Behavioral Sciences (MindTap C…
Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
Elementary Statistics: Picturing the World (7th E…
Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON
The Basic Practice of Statistics
The Basic Practice of Statistics
Statistics
ISBN:
9781319042578
Author:
David S. Moore, William I. Notz, Michael A. Fligner
Publisher:
W. H. Freeman
Introduction to the Practice of Statistics
Introduction to the Practice of Statistics
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman