Consider the hypothesis test below.Ho: P 1 - p 2 SoHa: P1-p 2 > 0The following results are for independent samples taken from the two populations.Sample 1Sample 2n1 = 200n 2 = 300pi = 0.26P2 = 0.15Use pooled estimator of p.a. What is the value of the test statistic (to 2 decimals)?b. What is the p-value (to 4 decimals)? Use z-table.c. With a = .05, what is your hypothesis testing conclusion?Select

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Description: Consider the hypothesis test below.Ho: P 1 - p 2 SoHa: P1-p 2 > 0The following results are for independent samples taken from the two populations.Sample 1Sample 2n1 = 200n 2 = 300pi = 0.26P2 = 0.15Use pooled estimator of p.a. What is the value of th

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Consider the hypothesis test below. Ho: p 1 - p 2 0 The following results are for independent samples taken from the two populations. Sample 1 Sample 2 ni = 200 n2 = 300

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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You may need to use the appropriate appendix table or technology to answer this question. Consider the hypothesis test. Ho: P1 - P2 0 The following results are for independent samples taken from the two populations. Sample 1 Sample 2 n1 = 200 n2 = 300 = 0.24 P2 P1 = 0.16 (a) Calculate the test statistic. (Round your answer to two decimal places.) What is the p-value? (Round your answer to four decimal places.) p-value (b) With a = 0.05, what is your hypothesis testing conclusion? Reject Ho. There is insufficient evidence to conclude that p, - p2 > 0. Reject Ho. There is sufficient evidence to conclude that p, - p, > 0. Do not reject Ho. There is insufficient evidence to conclude that p, - p, > 0. Do not Reject Ho: There is sufficient evidence to conclude that p, - p, > 0.
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You are interested in investigating whether the type of computer a person primarily uses and the type of car they drive are dependent. The table below shows the results of a survey. α = 0.01 significance level. Sedan SUV Truck Tablet 100 95 60 Notebook 119 106 37 Desktop 112 103 27 The test-statistic for this data =_____ (Please show your answer to three decimal places.) The p-value for this sample =_____ (Please show your answer to four decimal places.)
Consider the hypothesis test below. Ho P1 Ha P₁ The following results are for independent samples taken from the two populations. Sample 1 n1 = 100 P₁ = 0.28 P2 ≤ 0 P20 Use pooled estimator of p. a. What is the p-value (to 4 decimals)? Use Table 1 from Appendix B. 0 Sample 2 7₂ = 300 P2 = 0.15
What are the degrees of freedom for this test? d.f.= What is the p-value for this sample?
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You perform a two-sample hypothesis test to compare the proportions of two populations. You find that your p-value is greater than alpha. This means: Group of answer choices a.You have evidence that the population proportions are the same. b.You have evidence that the population proportions are different. c.You do not have evidence that the population proportions are different. d.You do not have evidence that the sample proportions are different.
A new vaccination is being used in a laboratory experiment to investigate whether it is effective. There are 258 subjects in the study. Is there sufficient evidence to determine if vaccination and disease status are related? Vaccination Status Diseased Not Diseased Total Vaccinated 55 62 117 Not Vaccinated 70 71 141 Total 125 133 258 Copy Data Step 1 of 8: State the null and alternative hypothesis.
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atched Ani... 00Watch Invincible S... You can retry this question below ▼ Part 1 of 4 One study indicates that the number of televisions that American households have is distributed as in the following table. Percent of U.S. Households that Own Certain Number of TVs Number of TVs Percent of Households 0 1 2 3 4+ 0 1 2 3 4+ A random sample of 544 households in North Dakota resulted in the data in the following table. Number of TVs Reported Owned by 544 households in North Dakota Number of TVs At the 4% significance level, does it appear that the distribution "number of televisions" of households in North Dakota is different from the distribution for U.S. households as a whole? Step 1: State the null and alternative hypotheses. Number of TVs 0 Pokemon Jigglypu... Number of Households Ho: The distribution of the number of televisions in households in North Dakota matches the distribution of households in United States as a whole. ✓ 1 H₂: The distribution of the number of televisions in…