Homework Help is Here – Start Your Trial Now!
Math
Statistics
a. What are the null and alternative​ hypotheses? a. What are the null and alternative​ hypotheses? Assume that population 1 consists of the 1988 weights and population 2 consists of the 2012 weights. b. The test​ statistic, t, is  c. The​ P-value is d. State the conclusion for the test. e. Construct a confidence interval suitable for testing the claim that the two samples are from populations with the same mean.

a. What are the null and alternative​ hypotheses? a. What are the null and alternative​ hypotheses? Assume that population 1 consists of the 1988 weights and population 2 consists of the 2012 weights. b. The test​ statistic, t, is  c. The​ P-value is d. State the conclusion for the test. e. Construct a confidence interval suitable for testing the claim that the two samples are from populations with the same mean.

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

a. What are the null and alternative​ hypotheses?

a. What are the null and alternative​ hypotheses? Assume that population 1 consists of the 1988 weights and population 2 consists of the 2012 weights.

b. The test​ statistic, t, is 

c. The​ P-value is

d. State the conclusion for the test.

e. Construct a confidence interval suitable for testing the claim that the two samples are from populations with the same mean.

Listed in the accompanying table are weights (kg) of randomly selected U.S. Army male personnel measured in 1988 (from "ANSUR I 1988") and different weights (kg) of randomly selected U.S. Army male personnel measured in 2012 (from "ANSUR II 2012"). Assume that the two samples are independent simple random samples selected from normally distributed populations. Do not assume that the population standard deviations are equal. Complete parts (a) and (b). Click the icon to view the ANSUR data. a. Use a 0.01 significance level to test the claim that the mean weight of the 1988 population is less than the mean weight of the 2012 population. What are the null and alternative hypotheses? Assume that population 1 consists of the 1988 weights and population 2 consists of the 2012 weights. OA. Ho: H₁ H₂ H₁: H₁ H₂ C. Ho: M₁ = ₂ H₁ H₁ H₂ B. Ho: H₁ H₂ H₁ H₁ H₂ D. Ho: ₁ = ₂ H₁ H₁ H₂
Transcribed Image Text:Listed in the accompanying table are weights (kg) of randomly selected U.S. Army male personnel measured in 1988 (from "ANSUR I 1988") and different weights (kg) of randomly selected U.S. Army male personnel measured in 2012 (from "ANSUR II 2012"). Assume that the two samples are independent simple random samples selected from normally distributed populations. Do not assume that the population standard deviations are equal. Complete parts (a) and (b). Click the icon to view the ANSUR data. a. Use a 0.01 significance level to test the claim that the mean weight of the 1988 population is less than the mean weight of the 2012 population. What are the null and alternative hypotheses? Assume that population 1 consists of the 1988 weights and population 2 consists of the 2012 weights. OA. Ho: H₁ H₂ H₁: H₁ H₂ C. Ho: M₁ = ₂ H₁ H₁ H₂ B. Ho: H₁ H₂ H₁ H₁ H₂ D. Ho: ₁ = ₂ H₁ H₁ H₂
ANSUR data ANSUR II 2012 66.2 92.3 88.2 74.4 85.1 69.0 89.8 106.9 95.1 90.0 85.1 116.4 78.2 90.7 54.0 ANSUR I 1988 67.4 79.3 78.4 71.7 79.2 86.3 69.5 71.6 54.0 78.5 77.6 95.7 Print Done X
Transcribed Image Text:ANSUR data ANSUR II 2012 66.2 92.3 88.2 74.4 85.1 69.0 89.8 106.9 95.1 90.0 85.1 116.4 78.2 90.7 54.0 ANSUR I 1988 67.4 79.3 78.4 71.7 79.2 86.3 69.5 71.6 54.0 78.5 77.6 95.7 Print Done X
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 7 steps with 2 images

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