Summary statistics are given for independent simple random samples from two populations. Use the nonpooled t-test to conduct a left-tailed hypothesis test using a significance level of a = 0.05. x = 11.7, s, = 3.9, n, = 14, X2 = 13.9, s2 = 5.2, n2 = 17 O A. Test statistic: t= - 2.211 B. Test statistic: t= - 1.345 1.700 Do not reject Ho Critical value: - 2.046 Critical value: Reject Ho O C. Test statistic: t= - 2.211 Critical value: -1.700 Reject Ho O D. Test statistic; t= - 1.345 Critical value: - 2.046 Do not reject Ho

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. See photo 

Summary statistics are given for independent simple random samples from two populations. Use the nonpooled t-test to conduct a left-tailed hypothesis test using a significance level of a = 0.05.
X1 = 11.7, s1 = 3.9, n1 = 14, X2 = 13.9, s2 = 5.2, n2 = 17
%3D
A. Test statistic: t= - 2.211
O B. Test statistic: t= - 1.345
Critical value: - 2.046
Critical value: - 1.700
Reject Ho
Do not reject Ho
O C. Test statistic: t= - 2.211
O D. Test statistic: t= - 1.345
Critical value: - 1.700
Critical value: - 2.046
Reject Ho
Do not reject Ho
Transcribed Image Text:Summary statistics are given for independent simple random samples from two populations. Use the nonpooled t-test to conduct a left-tailed hypothesis test using a significance level of a = 0.05. X1 = 11.7, s1 = 3.9, n1 = 14, X2 = 13.9, s2 = 5.2, n2 = 17 %3D A. Test statistic: t= - 2.211 O B. Test statistic: t= - 1.345 Critical value: - 2.046 Critical value: - 1.700 Reject Ho Do not reject Ho O C. Test statistic: t= - 2.211 O D. Test statistic: t= - 1.345 Critical value: - 1.700 Critical value: - 2.046 Reject Ho Do not reject Ho
Expert Solution
Step 1

Statistics homework question answer, step 1, image 1

steps

Step by step

Solved in 3 steps with 2 images

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