Homework Help is Here – Start Your Trial Now!
Math
Statistics
A sample (X1, X2,..., X70) of size 70 was drawn from a population X. The mean of X is 30 and its variance is 5. What are the mean and the variance of the 70 1 distribution of the sample mean X - Xi? 70 The mean of X is 0.4286, the variance is 0.5976 The mean of is 30, the variance is 0.5976 The mean of is 30, the variance is 0.2673 O The mean of X is 0.4286, the variance is 0.0714 O The mean of X is 30, the variance is 0.0714

A sample (X1, X2,..., X70) of size 70 was drawn from a population X. The mean of X is 30 and its variance is 5. What are the mean and the variance of the 70 1 distribution of the sample mean X - Xi? 70 The mean of X is 0.4286, the variance is 0.5976 The mean of is 30, the variance is 0.5976 The mean of is 30, the variance is 0.2673 O The mean of X is 0.4286, the variance is 0.0714 O The mean of X is 30, the variance is 0.0714

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
See similar textbooks
icon
Related questions
Question
100%
A sample (X1, X2,..., X70) of size 70 was drawn from a population X. The mean of X is 30 and its variance is 5. What are the mean and the variance of the 70 1 distribution of the sample mean X - Xi? 70 The mean of X is 0.4286, the variance is 0.5976 The mean of is 30, the variance is 0.5976 The mean of is 30, the variance is 0.2673 O The mean of X is 0.4286, the variance is 0.0714 O The mean of X is 30, the variance is 0.0714
Transcribed Image Text:A sample (X1, X2,..., X70) of size 70 was drawn from a population X. The mean of X is 30 and its variance is 5. What are the mean and the variance of the 70 1 distribution of the sample mean X - Xi? 70 The mean of X is 0.4286, the variance is 0.5976 The mean of is 30, the variance is 0.5976 The mean of is 30, the variance is 0.2673 O The mean of X is 0.4286, the variance is 0.0714 O The mean of X is 30, the variance is 0.0714
Expert Solution
steps

Step by step

Solved in 2 steps

SEE SOLUTIONCheck out a sample Q&A here
Blurred answer
Similar questions
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
SEE MORE TEXTBOOKS