Assume that both populations are normally distributed.(a) Test whether μ₁ μ₂ at the α = 0.01 level of significance for the given sample data.(b) Construct a 99% confidence interval about H₁ - H₂.(a) Test whether μ₁ μ₂ at the α = 0.01 level of significance for the given sample data.#Determine the null and alternative hypothesis for this test.O A. Hotlq #U2H₁:1 = H2OB. Ho H₁ H₂H₁ H₁ H₂OC. Ho:₁ = H₂H₁ H₁ H₂O D. Ho:₁ = H₂H₁ H1 H₂nXSPopulation 1 Population 2181819.223.45.34.3

Given that, is a random variable for population 1 and is a random variable for population 2.For…

Answered: Assume that both populations are…

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

Similar questions

Assume that both populations are normally distributed. (a) Test whether µ, + µ, at the a = 0.01 level of significance for the given sample data. Population 1 Population 2 n 11 11 (b) Construct a 99% confidence interval about µ, - H2. 18.8 26.7 S 3.8 5.3 (a) Test whether µ, # µ2 at the a = 0.01 level of significance for the given sample data. Determine the null and alternative hypothesis for this test. A. Ho:H1 = H2 B. Ho:H1 = H2 H1:H1> H2 Ho:H1 # H2 H1:H1 = H2 D. Ho:H1 # H2 Detemine the P-value for this hypothesis test. P= (Round to three decimal places as needed.)
Assume that both populations are normally distributed. (a) Test whether u, # µ, at the a = 0.05 level of significance for the given sample data. Population 1 Population 2 16 16 (b) Construct a 95% confidence interval about u, - H2. 12.9 11.2 2.9 2.8 (a) Test whether u, # µ, at the a = 0.05 level of significance for the given sample data. Determine the null and alternative hypothesis for this test. O A. Ho:H1 # H2 H1:H1 =H2 VB. Ho:H1 =H2 H1:H1 # H2 O C. Ho:H1 # H2 H1:H1> H2 O D. Ho:H1 = H2 H1:H1 > H2 Detemine the P-value for this hypothesis test. P= 0.102 (Round to three decimal places as needed.) Should the null hypothesis be rejected? O A. Do not reject Ho, there is not sufficient evidence to conclude that the two populations have different means. O B. Do not reject Ho, there is sufficient evidence to conclude that the two populations have different means. O C. Reject Ho, there is sufficient evidence to conclude that the two populations have different means. O D. Reject Ho, there is…
Use the given statistics to complete parts (a) and (b). Assume that the populations are normally distributed. (a) Test whether μ1>μ2 at the α=0.01 level of significance for the given sample data. (b) Construct a 99% confidence interval about μ1−μ2. Population 1 Population 2 n 21 18 x 45.8 43.5 s 5.7 11.8
Test the claim about the population mean, μ, at the given level of significance using the given sample statistics. Claim: μ≠6000; α=0.08; σ=391. Sample statistics: x=5900, n=49 Determine the outcome and conclusion of the test. Choose from the following. A. Reject H0. At the 8% significance level, there is enough evidence to support the claim. B. Fail to reject H0. At the 8% significance level, there is not enough evidence to support the claim. C. Fail to reject H0. At the 8% significance level, there is not enough evidence to reject the claim. D. Reject H0. At the 8% significance level, there is enough evidence to reject the claim.
Test the claim about the population mean μ at the level of significance a. Assume the population is normally distributed. Claim: μ<4915; a = 0.02 Sample statistics: x=5017, s=5613, n = 54 What are the null and alternative hypotheses? Ho: μ 4915 Ha: μ < 4915 (Type integers or decimals. Do not round.) Find the standardized test statistic t. t = 0.13 (Round to two decimal places as needed.) Find the P-value. P= (Round to three decimal places as needed.)
Test the claim about the population mean μ at the level of significance a. Assume the population is normally distributed. Claim: μ> 16; α = 0.05; G = 1.2 Sample statistics: x = 16.3, n=50 O A. Fail to reject Ho. There is not enough evidence at the 5% level of significance to support the claim. OB. Reject Ho. There is enough evidence at the 5% level of significance to support the claim. O C. There is not enough information to decide.
Use the t-distribution and the sample results to complete the test of the hypotheses. Use a 5 % significance level. Assume the results come from a random sample, and if the sample size is small, assume the underlying distribution is relatively normal. Test Ho : µ = 10 vs Ha : µ > 10using the sample resultsI = 13.2, s = 8.7, with n = 12. (a) Give the test statistic and the p-value. Round your answer for the test statistic to two decimal places and your answer for the p-value to three decimal places. test statistic = p-value =
Use the t-distribution and the given sample results to complete the test of the given hypotheses. Assume the results come from random samples, and if the sample sizes are small, assume the underlying distributions are relatively normal. Test Ho: M₁ = μ₂ vs Ha: ₁ ₂ using the sample results n₂ = = 80. Part 1 test statistic = i = (a) Give the test statistic and the p-value. Round your answer for the test statistic to two decimal places and your answer for the p-value to three decimal places. p-value = i 15.3, s₁ = 11.6 with n₁ = 100 and ₂ = 18.4, 82 = 14.3 with
None
Test the claim about the population variance o² at the level of significance α. Assume the population is normally distributed. Claim: o² ≥8.5; α = 0.10 2 Sample statistics: s² = 7.78, n = 25 Write the null and alternative hypotheses. Ho: 0² ≥ 8.5 Ha: 0² < 8.5 (Type integers or decimals. Do not round.) Calculate the standardized test statistic. x² = 21.97 (Round to two decimal places as needed.) Determine the P-value. P-value = (Round to three decimal places as needed.)
Assume that both populations are normally distributed. (a) Test whether μ₁ #₂ at the α = 0.05 level of significance for the given sample data. (b) Construct a 95% confidence interval about μ₁ − P2. H₁₁P2 OB. Ho P1 P2 H₁P₁ P₂ C. Ho H₁ xample H2 H₁ P₁ P2 D. Ho H₁ H2 H₁ H₁ H2 Detemine the P-value for this hypothesis test. P= (Round to three decimal places as needed.) Get more help. E n X S Population 1 12 10.2 2.6 Clear all Population 2 12 7.5 3
Test the claim about the difference between two population means μ₁ and μ₂ at the level of significance a. Assume the samples are random and independent, and the populations are normally distributed. Claim: H₁₂; a=0.01. Assume o² #02 Sample statistics: x₁ =2417, s₁ = 174, n₁ = 15 and X2=2301, $255, n₂ = 10 dentify the null and alternative hypotheses. Choose the correct answer below. OA. Ho: H1 H2 Ha H1> H2 OC. Ho: H₁₂ H₂H₁₂ O E. Ho: H1 H2 Hai P1 P2 Find the standardized test statistic t. OB. Ho: H1 H2 D. Ho: H1 H2 H: H₁₂ OF. Ho: 12 Ha H1 H2 Time Remaining: 00:59:29 Next Inser

SEE MORE QUESTIONS

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

SEE MORE TEXTBOOKS