Consider the following hypothesis test.Hoi H1- Hz = 0The following results are from independent samples taken from two populations.Sample 1Sample 2= 35n2= 40X1= 13.6= 10.1= 5.8S2 = 8.4%3D(a) What is the value of the test statistic? (Use x, - x2. Round your answer to three decimal places.)(b) What is the degrees of freedom for the t distribution? (Round your answer down to the nearest integer.)(c) What is the p-value? (Round your answer to four decimal places.)p-value =(d) At a = 0.05, what is your conclusion?O Reject Ho. There is insufficient evidence to conclude that µ, - 42 # 0.O Do not Reject Ho. There is sufficient evidence to conclude that u, - Hz # 0.Do not Reject Ho. There is insufficient evidence to conclude that u, - H2 # 0.Reject Ho. There is sufficient evidence to conclude that µ, - H2 # 0.

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Answered: Consider the following hypothesis test.…

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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The following results are for two independent samples taken from the two populations. Sample 1 n₁ = 80 X₁ = 104 01 = 8.5 Sample 2 n₂ = x2 = 70 = 106 02 = 7.4 (a) What is the value of the test statistic? (Round your answer to two decimal places.) (b) What is the p-value? (Round your answer to four decimal places.)
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Choose the appropriate statistical test. When computing, be sure to round each answer as indicated. A dentist wonders if depression affects ratings of tooth pain. In the general population, using a scale of 1-10 with higher values indicating more pain, the average pain rating for patients with toothaches is 6.8. A sample of 30 patients that show high levels of depression have an average pain rating of 7.1 (variance 0.8). What should the dentist determine? 1. Calculate the estimated standard error. (round to 3 decimals). [st.error] 2. What is thet-obtained? (round to 3 decimals). 3. What is the t-cv? (exact value) 4. What is your conclusion? Only type "Reject" or Retain"
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