(c) State the conclusion for the test.O A. Reject Ho because the P-value is less than the a = 0.01 level of significance.B. Reject Ho because the P-value is greater than the ¤ = 0.01 level of significance.C. Do not reject Ho because the P-value is less than the a = 0.01 level of significance.D. Do not reject Ho because the P-value is greater than the a = 0.01 level of significance.(d) State the conclusion in context of the problem.Theresufficient evidence at the a = 0.01 level of significance to conclude that the population mean is different from 25. A simple random sample of size n = 15 is drawn from a population that is normally distributed. The sample mean is found to be x = 26.5 and the sample standarddeviation is found to be s = 6.3. Determine if the population mean is different from 25 at the a = 0.01 level of significance. Complete parts (a) through (d) below.(a) Determine the null and alternative hypotheses.Họ:25Hi:25(b) Calculate the P-value.P-value =(Round to three decimal places as needed.)

Answered: Image /qna-images/answer/1308f536-ea5a-44c4-9dc2-78cd75109c91.jpg

Answered: A simple random sample of sizen=15 is…

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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Given the two independent samples below, conduct a hypothesis test for the desired scenario. Assume all populations are approximately normally distributed. Sample 1 Sample 2 n1= 953 n2= 880 x¯1= 381 x¯2= 456 s1= 156 s2= 170 Test the claim: Given the null and alternative hypotheses below, conduct a hypothesis test for α=0.05.H0: μ1=μ2Ha: μ1≠μ2 Given the alternative hypothesis, the test is Determine the test statistic. Round to four decimal places.t= Find the pp-value. Round to 4 decimals.p-value = Make a decision. Fail to reject the null hypothesis. Reject the null hypothesis.
Test the claim about the population mean, μ, at the given level of significance using the given sample statistics. Claim: μ=40; α=0.07; σ=3.78. Sample statistics: x=38.2, n=53 Identify the null and alternative hypotheses. Choose the correct answer below. A. H0: μ<40 Ha: μ=40 B. H0: μ=40 Ha: μ≠40 C. H0: μ=40 Ha: μ>40 D. H0: μ>40 Ha: μ=40 E. H0: μ≠40 Ha: μ=40 F. H0: μ=40 Ha: μ<
test the claim about the population mean, μ, at the given level of significance using the given sample statistics. Claim: μ=40; α=0.07; σ=3.86. Sample statistics: x=38.7, n=80 Identify the null and alternative hypotheses. Choose the correct answer below. A. H0: μ>40 Ha: μ=40 B. H0: μ≠40 Ha: μ=40 C. H0: μ=40 Ha: μ>40 D. H0: μ=40 Ha: μ<40 E. H0: μ=40 Ha: μ≠40 F. H0: μ<40 Ha: μ=40 Calculate the standardized test statistic. The standardized test statistic is nothing. (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.) A. The critical value is B. The critical values are ± Determine the outcome and conclusion of the test. Choose the correct answer below. A. Reject H0. At the 7% significance…
Test the claim about the difference between two population means ₁ and ₂ at the level of significance a. Assume the samples are random and independent, and the populations are normally distributed. Claim: ₁₂; a=0.01. Assume o #02 Sample statistics: x₁=2406, s₁ = 178, n₁ = 14 and X₂=2291, s₂=52, n₂ = 9 Identify the null and alternative hypotheses. Choose the correct answer below. OA. Ho: H₁ H₂ Ha: H1 H2 OC. Ho: H₁ H₂ Ha: H1 H2 OE. Ho: H₁ H₂ Ha: H1 H2 Find the standardized test statistic t t= (Round to two decimal places as needed.). OB. Ho: H₁ H₂ Ha: H₁ 24₂ OD. Ho: ₁₂ Ha: H1 H₂ OF. Ho: H₁ H₂ H₂: H₁ H₂ Find the P-value. P=0 (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 1% level of significance to reject the claim.
Test the claim about the population mean, μ, at the given level of significance using the given sample statistics. Claim: μ=50; α=0.09; σ=3.33. Sample statistics: x=48.2, n=67 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 enter your response here. (Round to two decimal places as needed.)
65 homeless people in San Jose were asked their age. The sample mean age was 33.2 years. Let x be a random variable representing ages of homeless people in San Jose. Assume that x has a normal distribution and o = 7.3 years. Do the data indicate that the mean age of the population of homeless people in San Jose is less than 35 years old? Use a = 0.05. Identify the following in your answer. 1. Identify the null hypothesis Ho and alternate hypotheses H, for the problem. 2. Identify the sample statistic, test statistic, p-value and calculator key used: Sample Statistic (sample mean) (Stated in problem) = Test Statistic (z) (Round to two decimal places) %3D P-value: (Round to four decimal places) = Calculator key used: 3. Identify the significance level and determine if you reject or fail to reject the null hypothesis. significance level = Do you reject or fail to reject Ho ? 4. State your conclusion. Upload your answer. Remember you can only upload one document. Upload Choose a File
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In a random sample of 320 cars driven at low altitude, 40 of them exceeded the standard 10 grams of particulate pollution per gallon of fuel consumed. In another independent random sample of 80 cars driven at high altitude, 20 of them exceeded the standard. Let P 1be the true proportion of cars that exceed the standard in low altitudes and P 2be the true proportion of cars that exceed the standard in high altitudes. What is the test statistic for testing this hypothesis.
Given the two independent samples below, conduct a hypothesis test for the desired scenario. Assume all populations are approximately normally distributed. Sample 1 Sample 2 n1 = 998 n2 = 893 x1 = 394 T2 = 356 S1 = 154 S2 = 169 Test the claim: Given the null and alternative hypotheses below, conduct a hypothesis test for a = 0.05. Ho: Hi = µ2 Ha: µ1 > µ2 a. Given the alternative hypothesis, the test is Select an answer v b. Determine the test statistic. Round to four decimal places. c. Find the p-value. Round to 4 decimals. p-value = d. Make a decision. O Fail to reject the null hypothesis. O Reject the null hypothesis.
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: 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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