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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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3) Examine your t-test score in the paired samples t-test table. Is the p value significant? State in one to two sentences whether the test was significant and interpret this result.
0.05 level of significance. Solve for appropriate test statistic and show written work!
Some experts believe that 16% of all freshwater fish in a country have such high levels of mercury that they are dangerous to eat. Suppose a fish market has 200 fish tested, and 29 of them have dangerous levels of mercury. Test the hypothesis that this sample is not from a population with 16% dangerous fish, assuming that this is a random sample. Use a significance level of 0.05. Comment on your conclusion. State the null and alternative hypotheses. О А. Но: р30.16 Hạ: p+0.16 В. Но: р#0.16 Ha: p= 0.16 Ос. Но: р> 0.16 Hại p0.16 ОЕ. Но: р0.16 Determine the z-test statistic. Z= (Round to two decimal places as needed.) Find the p-value. p-value = (Round to three decimal places as needed.)
Need help with # 13
1.6 How would you rank cities? Various organizations rank cities and produce lists of the 10 or the 100 best cities, based on various measures. Create a list of criteria that you would use to rank cities. Include at least eight variables and give reasons for your choices. Say whether each variable is quantitative or categorical.
Need help with parts C & D The proportion of Americans who have frequent migraines is 15.2% according to the CDC. An acupuncturist claims that her treatment can reduce this figure significantly. A random sample of 191 Americans is administered the acupuncturists treatment and 25 report experiencing migraines.a. State Hypotheses to the scenario using the correct symbols. b. What is the sample proportion? (Round to 2 decimal places) ˆpp^= c. Suppose the P-value is calculated to be 0.0318What would your decision be for this test using α=α= 0.025? fail to reject the null accept the null reject the null d. Write a conclusion in terms of the acupuncturist's claim. Use the model provided by the instructor. Assume no errors were made.
No programming please. I don’t want a code as an answer.
need answer and all the work
39. The ANOVA procedure is a statistical approach for determining whether or not... the proportions of more than two samples are equal the proportions of more than two populations are equal the means of more than two populations are equal the means of more than two samples are equal
5. Which set of four test scores would have the biggest difference between the mean and the median? O A. 32, 85, 89, 91, 92, 92 O B. 72, 78, 79, 80, 82, 82 O C. 65, 70, 75, 80, 85, 90 O D. 30, 34, 39, 41, 48, 50
Q 10. D c (careful!). ifferentiate lIn
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Help me answer the given question. 28. What are ANOVA and MANOVA differences?