Fail to rejectRejectəplaces as needed.)or fail to reject the null hypothesis and interpret the decision in the context of the originaenough evidence at the 5% level of significance to reject the claim.Ho. There 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 normallydistributed.Claim: μ₁ μ₂; α=0.05. Assume o² #02Sample statistics: x₁=2413, s₁=177, n₁ = 14 andX2 = 2307, s₂ = 53, n₂ = 10Identify the null and alternative hypotheses. Choose the correct answer below.A. Ho: ₁ μ₂Ha: M₁ = μ₂OC. Ho: M₁ H2P =(Round to three decimal places as needed.)Decide whether to reject or fail to reject the null hypothesis and interpret the decision in the context of the original claim.Ho. Thereenough evidence at the 5% level of significance to reject the claim.21

The t test formula when the population variances are assuming not equal is And…

Answered: Test the claim about the difference…

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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Test the claim about the differences between two population variances at the given level of significance a using the given sample statistics. Assume that the sample statistics are from independent samples that are randomly selected and each population has a normal distribution. 1. Find the critical value. 2. Find the test statistic.
Test the claim about the population mean, μ,at the given level of significance using the given sample statistics. Claim: μ=50; α=0.08; σ=3.95. Sample statistics: x=49.7, n=67 a. Identify the null and alternative hypotheses b. Calculate the standardized test statistic. c. Determine the critical value(s). d. Determine the outcome and conclusion of the test.
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 difference between two population means u, and H2 at the level of significance a. Assume the samples are random and independent, and the populations are normally distributed. Claim: u, = H2; a=0.10. Assume o? =o? Sample statistics: x1 = 33.1, s, = 3.5, n, = 14 and X2 = 35.8, s2 = 2.2, n2 = 19 Identify the null and alternative hypotheses. Choose the correct answer below. O A. Ho: H12 H2 O B. Ho: H1 H H: H1 H2 O C. Ho: H1 Hz Ha: H1 SH2 Find the standardized test statistic t. (Round to two decimal places as needed.) Find the P-value. P= (Round to three decimal places as needed.) Decide whether to reject or fail to reject the null hypothesis and interpret the decision in the context of the original claim. O Time Remaining
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 =
Plz help asap 46
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: 41 = H2; a = 0.05. Assume o? =o; Sample statistics: x, = 31.8, s, = 3.4, n, = 12 and X2 = 34.7, s2 = 2.3, n2 = 1 Identify the null and alternative hypotheses. Choose the correct answer below. O A. Ho: H12H2 Ha: H1 H2 OF. Ho: H1> H2 Ha: H1 SH2 Find the standardized test statistic t. t=| (Round to two decimal places as needed.) Find the P-value. P= (Round to three decimal places as needed.) Decide whether to reject or fail to reject the null hypothesis and interpret the decision in the context of the original claim. Ho. There enough evidence at the 5% level of significance to reject the claim.
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Use the t-distribution table to find the critical value(s) for the indicated alternative hypotheses, level of significance a, and sample sizes n, and n. Assume that the samples are independent, normal, and random. Answer parts (a) and (b). Hg P2. a= 0.20, n, =6, n2 = 8 (a) Find the critical value(s) assuming that the population variances are equal. (Type an integer or decimal rounded to three decimal places as needed. Use a comma to separate answers as needed.) (b) Find the critical value(s) assuming that the population variances are not equal. (Type an integer or decimal rounded to three decimal places as needed. Use a comma to separate answers as needed.) Enter your answer in each of the answer boxes. DELL

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