(a) Find the sample mean of X, Mark your answer here 13 (b) Find the sample variance of X, Mark your answer here 10 (c) Assume that the X form a random sample from a normal distribution with mean u and a standard deviation of 12. Provided a 90 percent confidence interval for u. Confidence Interval = ( Number Number ) Round 3 decimals

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
The following data has been provided for you to analyze
8
13
10
4.
13
28
(a) Find the sample mean of X, Mark your answer here 13
(b) Find the sample variance of X. Mark your answer here 10
(c) Assume that the X, form a random sample from a normal distribution with mean a and a standard
deviation of 12. Provided a 90 percent confidence interval for u.
Confidence Interval = ( Number
Number
) Round 3 decimals
(d) Under the same assumptions, test the hypothesis that Ho : S 6 against the alternative
H:p > 6 at 10 percent significance level. Should we reject the null and favor the alternative ?
O false
O ture
Transcribed Image Text:The following data has been provided for you to analyze 8 13 10 4. 13 28 (a) Find the sample mean of X, Mark your answer here 13 (b) Find the sample variance of X. Mark your answer here 10 (c) Assume that the X, form a random sample from a normal distribution with mean a and a standard deviation of 12. Provided a 90 percent confidence interval for u. Confidence Interval = ( Number Number ) Round 3 decimals (d) Under the same assumptions, test the hypothesis that Ho : S 6 against the alternative H:p > 6 at 10 percent significance level. Should we reject the null and favor the alternative ? O false O ture
Expert Solution
steps

Step by step

Solved in 4 steps with 3 images

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