X,- 149 X- 131 Given the null and allernative hypolheses, sample means, sample szes, and populahon standard deviations shown to the right, conduct a hypothesis HA H H20 test using an alpha luvel equal to 0.01. He - 20 = 16 n = 55 n= 40 Determine the rejection region for the test statistic z. Select the correct choice below and fill in the answer box to complete your choice. (Round to two docimal placos as needed) OA 2> OB. 24 or 2» OC z Calculate the value of the test statishc 2= (Ruund to two decimal places as noodod.) Since the lest statistic in the rejection region, V the null hypothesis. There is v evidence to conclude that the mean of population 1 is less than the mean of populalion 2.
X,- 149 X- 131 Given the null and allernative hypolheses, sample means, sample szes, and populahon standard deviations shown to the right, conduct a hypothesis HA H H20 test using an alpha luvel equal to 0.01. He - 20 = 16 n = 55 n= 40 Determine the rejection region for the test statistic z. Select the correct choice below and fill in the answer box to complete your choice. (Round to two docimal placos as needed) OA 2> OB. 24 or 2» OC z Calculate the value of the test statishc 2= (Ruund to two decimal places as noodod.) Since the lest statistic in the rejection region, V the null hypothesis. There is v evidence to conclude that the mean of population 1 is less than the mean of populalion 2.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
Transcribed Image Text:Given the null and allernative hypotheses, sample
means, sample sizes, and population standard
deviations shown to the right, conduct a hypothesis HA H 20
test using an alpha luvel equal to 0.01
X, = 149 x2- 131
O1 = 11
n, = 55
He H - 20
6= 15
40
Determine the rejection region for the test statistic z. Select the correct choice below and fill in the answer box to complete your choice.
(Round to two decimal places as needed)
OA. z>
OB. 24 or z >
OC. z«
Calculate the value of thn test statishC
2= (Ruund to two decimal places as nooded.)
Since the lust statistic
V in the rejuction region,
V the null hypothusis. There is
V evidence to conclude that the mearı of population 1 is less thari the mean of populalion 2.
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
Step by step
Solved in 2 steps with 1 images
Recommended textbooks for you
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
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
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
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
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON
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
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman