Test the hypothesis that σ₁ <0₂ at the a= 0.05 levelof significance for the given sample data. Assumethat the populations are normally distributed. Usethe P-value approach.State the null and alternative hypotheses for this test.HoH₁:CASTHEPopulation 1 Population 250288.310.1Clear all

We’ve to test, H0: σ1>=σ2 H1: σ1<σ2

Answered: Test the hypothesis that σ₁ <0₂ at the…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Use a y2-test to test the claim o 45 Ha: 0245 O D. Ho: o245 O C. Ho: o>45 Ha:o545 Hai o<45 Identify the test statistic. (Round to three decimal places as needed.) Identify the critical value(s). (Round to three decimal places as needed. Use a comma to separate answers as needed.) Choose the correct conclusion below Click to select your answer(s).
Use a y-test to test the claim o 35 H, o35 hir winga H, o>35 Identify the test statistic. 18.652 (Round to three decimal places as needed.) me Identify the critical value(s). nts (Round to three decimal places as needed. Use a comma to separate answers as needed.) t: C k Contents edia Library View an example Get more help - Clear all Check answer Help me solve this Plan ior SucceSE 72°F A a a 99+ P Type here to search 10/05/17 Delete PrtSc Insert F12 E11
Assume that a simple random sample has been selected and test the given claim. Listed below are the lead concentrations in μg/g measured in different traditional medicines. Use a 0.05 significance level to test the claim that the mean lead concentration for all such medicines is less than 14 μg/g. 3.5 7.0 6.0 5.5 20.0 8.0 12.0 21.5 11.0 17.0 Identify the null and alternative hypotheses for this test. A. H0: μ=14 μg/g H1: μ<14 μg/g B. H0: μ<14 μg/g H1: μ=14 μg/g C. H0: μ=14 μg/g H1: μ>14 μg/g D. H0: μ=14 μg/g H1: μ≠14 μg/g Click to select your answer and then click Check Answer.
A study was done on body temperatures of men and women. The results are shown in the table. Assume that the two samples are independent simple random samples selected from normally distributed populations, and do not assume that the population standard deviations are equal. Complete parts (a) and (b) below. Use a 0.01 significance level for both parts. a. Test the claim that the two samples are from populations with the same mean. What are the null and alternative hypotheses? What is the test statistic, t? What is the P-value? State the conclusion for the test. b. Construct a confidence interval suitable for testing the claim that the two samples are from populations with the same mean.
Use technology to help you test the claim about the population mean, μ, at the given level of significance, α, using the given sample statistics. Assume the population is normally distributed. Claim: μ>1300; α=0.08; σ=211.56. Sample statistics: x=1326.31, n=250 Identify the null and alternative hypotheses. Choose the correct answer below. A. H0: μ≥1326.31 Ha: μ<1326.31 B. H0: μ≥1300 Ha: μ<1300 C. H0: μ≤1326.31 Ha: μ>1326.31 D. H0: μ>1326.31 Ha: μ≤1326.31 E. H0: μ≤1300 Ha: μ>1300 F. H0: μ>1300 Ha: μ≤1300 Calculate the standardized test statistic. The standardized test statistic is enter your response here. (Round to two decimal places as needed.) Determine the P-value. P=enter your response here (Round to three decimal places as needed.) Determine the outcome and conclusion of the test. ▼ Reject Fail to reject H0. At the 8%…
Test whether µ, <µ, at the a = 0.01 level of significance for the sample data shown in the accompanying table. Assume that the populations are normally distributed. Click the icon to view the data table. Determine the null and alternative hypothesis for this test. A. Ho:H1
Use a y-test to test the claim o = 0.48 at the a = 0.01 significance level using sample statistics s = 0.466 and n = 15. Assume the population is normally distributed. Identify the null and alternative hypotheses. YA. Ho: o? = 0.48 O B. Ho: o 20.48 H:o +0.48 H,: o 0.48 Identify the test statistic. (Round to two decimal places as needed.)
A sample mean, sample size, and population standard deviation are provided below. Use the one-mean z-test to perform the required hypothesis test at the 5% significance level. x=33, n=12, 0=4, Ho: H = 31, Hai H>31
Test the claim below about the mean of the differences for a population of paired data at the level of significance a. Assume the samples are random and dependent, and the populations are normally distributed. Claim: 0 = 0 E. Ho: Hd 0 Ha: Hd s0 The test statistic is t= 1.43 . (Round to two decimal places as needed.) The critical value(s) is(are) to = (Round to two decimal places as needed. Use a comma to separate answers as needed.)
Test the claim about the population mean, μ, at the given level of significance using the given sample statistics. Claim: μ=50; α=0.05; σ=3.55. Sample statistics: x=49.2, n=80 Identify the null and alternative hypotheses. Choose the correct answer below. A. H0: μ=50 Ha: μ≠50 Your answer is correct. B. H0: μ<50 Ha: μ=50 C. H0: μ=50 Ha: μ>50 D. H0: μ=50 Ha: μ<50 E. H0: μ≠50 Ha: μ=50 F. H0: μ>50 Ha: μ=50 Calculate the standardized test statistic. The standardized test statistic is nothing. (Round to two decimal places as needed.) More
Test the claim about the population mean, µ, at the given level of significance using the given sample statistics. Claim: :40; a = 0.02; o = 3.74. Sample statistics: x= 38.2, n= 70 ..... Identify the null and alternative hypotheses. Choose the correct answer below. Ο Α. H : μ> 40 В. Но: - 40 Ha: µ = 40 Ha: µ 40 ОЕ. Но: н240 Ha: µ= 40 Ο F H: μ = 40 Hai µ#40 Calculate the standardized test statistic. The standardized test statistic is (Round to two decimal places as needed.) Determine the critical value(s). Select the correct choice below and fill in the answer box to complete your choice. (Round to two decimal places as needed.) O A. The critical value is B. The critical values are ±
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 Question content area bottom Part 1 Identify the null and alternative hypotheses. Choose the correct answer below. A. H0: μ≥6000 Ha: μ≠6000 B. H0: μ≠6000 Ha: μ=6000 C. H0: μ≠6000 Ha: μ≤6000 D. H0: μ=6000 Ha: μ≠6000 E. H0: μ≠6000 Ha: μ≥6000 F. H0: μ≤6000 Ha: μ≠6000

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Test the hypothesis that σ₁ <0₂ at the a= 0.05 level of significance for the given sample data. Assume that the populations are normally distributed. Use the P-value approach. State the null and alternative hypotheses for this test. Но H₁: h 3 TE Population 1 Population 2 50 28 8.3 10.1