Consider the following summary data on the modulus of elasticity (x 10° psi) for lumber of three different grades. Grade Jx₁. S₁ 7 1.64 0.21 7 1.54 0.22 1 2 3 7 1.44 0.23 USE SALT Use this data and a significance level of 0.01 to test the null hypothesis of no difference in mean modulus of elasticity for the three grades. Calculate the test statistic. (Round your answer to two decimal places f= What can be said about the P-value for the test? O P-value > 0.100 O 0.050 < P-value < 0.100 O 0.010 P-value < 0.050 O 0.001 < P-value < 0.010 O P-value < 0.001 What can you conclude? O Reject Ho. At least two of the three grades appear to differ significantly. O Reject Ho. The three grades do not appear to differ significantly. O Fail to reject Ho. The three grades do not appear to differ significantly.

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
100%
Consider the following summary data on the modulus of elasticity (x 10⁰ psi) for lumber of three different grades.
Grade J xi.
1
2
3
7 1.64 0.21
S;
7 1.54 0.22
7 1.44 0.23
USE SALT
Use this data and a significance level of 0.01 to test the null hypothesis of no difference in mean modulus of elasticity for the three grades. Calculate the test statistic. (Round your answer to two decimal places.)
f =
What can be said about the P-value for the test?
O P-value > 0.100
0.050 < P-value < 0.100
O 0.010 < P-value < 0.050
O 0.001 < P-value < 0.010
O P-value < 0.001
What can you conclude?
O Reject Ho. At least two of the three grades appear to differ significantly.
O Reject Ho. The three grades do not appear to differ significantly.
Fail to reject Ho. The three grades do not appear to differ significantly.
O Fail to reject H. At least two of the three grades appear to differ significantly.
Transcribed Image Text:Consider the following summary data on the modulus of elasticity (x 10⁰ psi) for lumber of three different grades. Grade J xi. 1 2 3 7 1.64 0.21 S; 7 1.54 0.22 7 1.44 0.23 USE SALT Use this data and a significance level of 0.01 to test the null hypothesis of no difference in mean modulus of elasticity for the three grades. Calculate the test statistic. (Round your answer to two decimal places.) f = What can be said about the P-value for the test? O P-value > 0.100 0.050 < P-value < 0.100 O 0.010 < P-value < 0.050 O 0.001 < P-value < 0.010 O P-value < 0.001 What can you conclude? O Reject Ho. At least two of the three grades appear to differ significantly. O Reject Ho. The three grades do not appear to differ significantly. Fail to reject Ho. The three grades do not appear to differ significantly. O Fail to reject H. At least two of the three grades appear to differ significantly.
Expert Solution
steps

Step by step

Solved in 3 steps with 13 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