It is commonly believed that the mean body temperature of a healthy adult is 98.6° F. You are notentirely convinced. You believe that it is not 98.6° F. You collected data using 39 healthy people andfound that they had a mean body temperature of 98.27° F with a standard deviaiton of 0.99° F. Use a0.05 significance level to test the claim that the mean body temperature of a healthy adult is not 98.6° F.a) Identify the null and alternative hypotheses?Ho: ? vHA: 2b) What type of hypothesis test should you conduct (left-, right-, or two-tailed)?O left-tailedOright-tailedO two-tailedc) Identify the appropriate significance level.Submit Question&8.3.%24

Given : population mean , μ = 98.6

Answered: a) Identify the null and alternative…

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 table below includes results from polygraph (lie detector) experiments conducted by researchers. In each case, it was known if the subjected lied or did not lie, so the table indicates when the polygraph test was correct. Use a 0.05 significance level to test the claim that whether a subject lies is independent of the polygraph test indication. Do the results suggest that polygraphs are effective in distinguishing between truth and lies? E Click the icon to view the table. Determine the null and alternative hypotheses. O A. Ho: Polygraph testing is accurate. H1: Polygraph testing is not accurate. O B. Ho: Whether a subject lies is not independent of the polygraph test indication. H,: Whether a subject lies is independent of the polygraph test indication. O C. Ho: Polygraph testing is not accurate. H1: Polygraph testing is accurate. VD. Ho: Whether a subject lies is independent of the polygraph test indication. H,: Whether a subject lies is not independent of the polygraph test…
Passed Failed o Results from a civil servant exam are shown in the table to the right. Is there sufficient evidence to support the claim that the results from the test are discriminatory? Use a 0.01 significance level. White 15 16 candidates Minority candidates 10 24 Determine the null and alternative hypotheses. O A. Hn: Awhite candidate is more likely to pass the test than a minority candidate H, A white candidate is not more likely to pass the test than a minority candidate. O B. Ho: White and minority candidates have the same chance of passing the test H,: White and minority candidates do not have the same chance of passing the test O C. Ho: White and minority candidates do not have the same chance of passing the test. H,: White and minority candidates have the same chance of passing the test. O D. Ho: Awhite candidate is not more likely to pass the test than a minority candidate. H: Awhite candidate is more likely to pass the test than a minority candidate. Determine the test…
The last part of the question, the options are: sufficient OR insufficient; support OR do not support. Thx!
In each part, we have given the significance level and the P-value for a hypothesis test. For each case determine if the null hypothesis should be rejected. Write "reject" or "do not reject" (without quotations - if you like use copy and paste to avoid typos). (a) α= 0.01, P = 0.06 answer: (b) a = 0.06, P = 0.001 answer: (c) a = 0.07, P = 0.06 answer:
Does more education lower a person’s level of prejudice? The number of years of education and the score on a prejudice test for ten people is given in the following table. Higher scores on the test indicate more prejudice. Years of Education: 12, 15, 14, 13, 18, 10, 16, 12, 10, 4 Score of Prejudice Test: 1, 6, 2, 3, 2, 4, 1, 5, 5, 10 Conduct a hypothesis test to determine if there is a significant linear correlation between the two variables. If there is a significant linear correlation between the variables, determine the regression equation. There is a significant correlation between the variables and the regression equation is y' = 10.5 - 0.532x There is a significant correlation between the variables and the regression equation is y' = - 0.532 + 10.5x There is not a significant correlation between the variables, so the regression equation should not be determined. There is a significant correlation between the variables and the regression equation is y' = 16.509 - 1.054x
I am to do a project for an inferential statistics class and I would like some basic guidance. I am to propose a research question. My proposed research question is "Does drinking stimulants such as coffee improve a student's grades?" My question is what type of hypothesis test should I use. My options are (Test of Association hypothesis test), (Goodness of Fit hypothesis test), (Two sample hypothesis test for means), and a(Two sample hypothesis test for proportions). My guess is it would be a (Two sample hypothesis test for proportions)? The only other potential category I could see it falling in is (Test of Association hypothesis test).
The table below includes results from polygraph (lie detector) experiments conducted by researchers. In each case, it was known if the subjected lied or did not lie, so the table indicates when the polygraph test was correct. Use a 0.05 significance level to test the claim that whether a subject lies is independent of the polygraph test indication. Do the results suggest that polygraphs are effective in distinguishing between truth and lies? E Click the icon to view the table. Determine the null and alternative hypotheses. O A. Ho: Whether a subject lies is independent of the polygraph test indication. H1: Whether a subject lies is not independent of the polygraph test indication. O B. Ho: Polygraph testing is not accurate. H1: Polygraph testing is accurate. O C. Ho: Polygraph testing is accurate. H1: Polygraph testing is not accurate. O D. Ho: Whether a subject lies is not independent of the polygraph test indication. H1: Whether a subject lies is independent of the polygraph test…
Passed Failed White Results from a civil servant exam are shown in the table to the right. Is there sufficient evidence to support the claim that the results from the test are discriminatory? Use a 0.05 significance level. 20 17 candidates Minority candidates 8 22 O A. Ho: Awhite candidate is not more likely to pass the test than a minority candidate. H,: A white candidate is more likely to pass the test than a minority candidate. B. Ho: White and minority candidates do not have the same chance of passing the test. H,: White and minority candidates have the same chance of passing the test. O C. Ho: Awhite candidate is more likely to pass the test than a minority candidate. H,:A white candidate is not more likely to pass the test than a minority candidate. O D. Ho: White and minority candidates have the same chance of passing the test. H4: White and minority candidates do not have the same chance of passing the test. Determine the test statistic. x? = (Round to three decimal places as…
1
This question: 5 point(s) possible In a study of 823 randomly selected medical malpractice lawsuits, it was found that 477 of them were dropped or dismissed. Use a 0.01 significance level to test the claim that most medical malpractice lawsuits are dropped Which of the following is the hypothesis test to be conducted? OA. Ho: p=0.5 H₁: p>0.5 OC. Ho: p=0.5 H₁: p 0.5 H₁: p=0.5 OF. Ho: p0.5 H₁: p=0.5 WA (C) dismissed.
Which of the following terms describes when the null hypothesis is NOT rejected when it should be rejected? O Significance level, a Type I error Type II error p-Value Alternative hypothesis
The table below includes results from polygraph (lie detector) experiments conducted by researchers. In each case, it was known if the subjected lied or did not lie, so the table indicates when the polygraph test was correct. Use a 0.05 significance level to test the claim that whether a subject lies is independent of the polygraph test indication. Do the results suggest that polygraphs are effective in distinguishing between truth and lies? LOADING... Click the icon to view the table. Determine the null and alternative hypotheses. A. H0: Polygraph testing is accurate. H1: Polygraph testing is not accurate. B. H0: Polygraph testing is not accurate. H1: Polygraph testing is accurate. C. H0: Whether a subject lies is independent of the polygraph test indication. H1: Whether a subject lies is not independent of the polygraph test indication. Your answer is correct. D. H0: Whether a subject lies is not independent of the polygraph…

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a) Identify the null and alternative hypotheses? Ho: ? v HA: ? v b) What type of hypothesis test should you' conduct (left-, right-, or two-tailed)? O left-tailed Oright-tailed O two-tailed c) Identify the appropriate significance level.