Listed below are the lead concentrations in µg/g measured in different traditional medicines. Use a 0.01 significance level to test the claim that the mean lead concentration for all such medicines is less than 15 pg/g. Assume that the sample is a simple random sample.7 5 310.51521.522104.5Assuming all conditions for conducting a hypothesis test are met, what are the null and alternative hypotheses?O B. Ho: H= 15 µg/gΟ Α. H0 μ= 15 μααH, p# 15 µg/gH1: µ> 15 µg/gO D. H, µ> 15 µg/gO C. Ho H= 15 µg/gH:µ< 15 µg/gH7: µ< 15 µg/gDetermine the test statistic.(Round to two decimal places as needed.)Determine the P-value.(Round to three decimal places as needed.)State the final conclusion that addresses the original claim.15 μg/gHo. There isevidence to conclude that the mean lead concentration for all such medicines is

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Answered: Listed below are the lead…

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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Listed below are the lead concentrations in muμg/g measured in different traditional medicines. Use a 0.010.01 significance level to test the claim that the mean lead concentration for all such medicines is less than 1515 muμg/g. Assume that the lead concentrations in traditional medicines are normally distributed. 12 22.5 8 3 9.5 22.5 12.5 13.5 10.5 10.5 What are the null and alternative hypotheses? A. Upper H 0H0: muμequals=1515 muμg/g Upper H 1H1: muμless than<1515 muμg/g Your answer is correct. B. Upper H 0H0: muμequals=1515 muμg/g Upper H 1H1: muμgreater than>1515 muμg/g C. Upper H 0H0: muμgreater than>1515 muμg/g Upper H 1H1: muμless than<1515 muμg/g D. Upper H 0H0: muμequals=1515 muμg/g Upper H 1H1: muμnot equals≠1515 muμg/g Determine the test statistic: ?? (Round to two decimal places as needed.)
A simple random sample of 20 pages from a dictionary is obtained. The numbers of words defined on those pages are found, with the results n= 20, x= 59.7 words, s= 16.5 words. Given that this dictionary has 1470 pages with defined words, the claim that there are more than 70,000 defined words is equivalent to the claim that the mean number of words per page is greater than 47.6 words. Use a 0.10 significance level to tost the claim that the mean number of words per page is greater than 47.6 words. What does the result suggest about the claim that there are more than 70,000 defined words? Identify the null and alternative hypotheses, test statistic, P- value, and state the final conclusion that addresses the original claim. Assume that the population is normally distributed. What are the null and alternative hypotheses? A. Ho: H47.6 words H: u>47.6 words OB. Họ: = 47.6 words H: 47.6 words Hp<47.6 words H: H#47.6 words Determine the test statistic. (Round to two decimal places as needed.)
Listed below are the lead concentrations in ug/g measured in different traditional medicines. Use a 0.01 significance level to test the claim that the mean lead concentration for all such medicines is less than 16 ug/g. Assume that the sample is a simple random sample. 20.5 12.5 12.5 4.5 4.5 19 18 18.5 9. 16 O Assuming all conditions for conducting a hypothesis test are met, what are the null and alternative hypotheses? Ο Α. Ηo μ> 16 μgg Ο Β. H μ= 16 μglg H1>16 ug/g H,: p< 16 pg/g O C. H μ= 16 μgg ΟD. Ho μ= 16 μgg H: p<16 ug/g H: p#16 pg/g
Environmental Protection Agency standards require that the amount of lead in drinking water be less than 15 ppb. Twelve samples of water from a particular source have the following concentrations, in ppb. 11.4 13.9 11.2 14.5 15.2 8.1 12.4 8.6 10.5 17.1 9.8 15.9 A hypothesis test will be performed to determine whether the water from this source meets the EPA standard. a) State the appropriate null and alternate hypotheses. b) Compute the P-value. c) Can you conclude that the water from this source meets the EPA standard? Explain.
This one has me stuck, please help; Thank you.
Listed below are the lead concentrations in µg/g measured in different traditional medicines. Use a 0.05 significance level to test the claim that the mean lead concentration for all such medicines is less than 16 µg/g. Assume that the sample is a simple random sample. 17.5 17 9 22.5 7.5 6 8.5 7.5 21.5 15.5 Assuming all conditions for conducting a hypothesis test are met, what are the null and alternative hypotheses? O A. Ho: μ16 µg/g H₁: μ16 μg/g OC. Ho: μ16 µg/g H₁: μ 16 µg/g H₁: μ 16 µg/g ✔ evidence to conclude that the mean lead concentration for all such medicines is 16 μg/g.
A sample is selected from a normal population, and resulting data are as follows: 45.2, 51.5, 49.4, 48.9, 52.4, 40.0 Does this data suggest that the population mean is greater than 50? Use a = 0.05. a. State the appropriate hypotheses.. b. Calculate the value of the test statistic. c. Determine the rejection region. d. What is your conclusion? Interpret your conclusion.
Listed below are the lead concentrations in µg/g measured in different traditional medicines. Use a 0.01 significance level to test the claim that the mean lead concentration for all such medicines is less than 16 µg/g. Assume that the sample is a simple random sample. 13.5 17.5 3.5 14.5 14.5 14 16 11 12 16.5 D Assuming all conditions for conducting a hypothesis test are met, what are the null and alternative hypotheses? OA. Ho = 16 µg/g OB. Ho: μ> 16 µg/g H,:μ 16 μg/g - O C. Ho : 4 = 16 pg/g OD. Ho: H=16 µg/g H₁ μ< 16 μg/g H₁ μ#16 μg/g Determine the test statistic. (Round to two decimal places as needed.) Determine the P-value. (Round to three decimal places as needed.)
Listed below are the lead concentrations in ug/g measured in different traditional medicines. Use a 0.05 significance level to test the claim that the mean lead concentration for all such medicines is less than 13 ug/g. Assume that the sample is a simple random sample. 12.5 7.5 4 14.5 3 12 22 3 19.5 4.5 D Assuming all conditions for conducting a hypothesis test are met, what are the null and alternative hypotheses? Ο Α. H: μ= 13 μg/g H1: µ> 13 ug/g B. H0 μ 13 μg/g H4:µ#13 µg/g C. Ho: µ = 13 µg/g H1:µ13 μg/g H1:H<13 µg/g
Listed below are the lead concentrations in ug/g measured in different traditional medicines. Use a 0.01 significance level to test the claim that the mean lead concentration for all such medicines is less than 18 µg/g. Assume that the sample is a simple random sample. 19 7.5 3 14 8 15 6 22.5 22.5 21.5 O Assuming all conditions for conducting a hypothesis test are met, what are the null and alternative hypotheses? Ο Α. Η0: μ= 18 μαg Ο Β. Η μ= 18 μgg H1: µ> 18 µg/g H: µ# 18 µg/g OC. Ho: H= 18 µg/g Ο D. Ho: μ> 18 μgg H,: µ< 18 µg/g H,: µ< 18 µg/g Determine the test statistic. (Round to two decimal places as needed.) Determine the P-value. (Round to three decimal places as needed.) State the final conclusion that addresses the original claim. V Ho. There is V evidence to conclude that the mean lead concentration for all such medicines is 18 μgg. Reject Fail to reject
Listed below are the lead concentrations in ug/g measured in different traditional medicines. Use a 0.01 significance level to test the claim that the mean lead concentration for all such medicines is less than 16 ug/g. Assume that the sample is a simple random sample. 20.5 12.5 12.5 4.5 4.5 19 18 18.5 16 Assuming all conditions for conducting a hypothesis test are met, what are the null and alternative hypotheses? O A. Ho p> 16 pg/g H p 16 ug/g %3D O C. Ho p= 16 pg/g H p#16 pg/g D. Ho =16 pg/g H1:p<16 ug/g Determine the test statistic. - 1.42 (Round to two decimal places as needed.) Determine the P-value. (Round to three decimal places as needed.)
Given the two independent samples below, conduct a hypothesis test for the desired scenario. Assume all populations are approximately normally distributed. Sample 1 Sample 2 110 n2 : 179 28.9 23.6 81 = 3.8 82 = 3.9 Test the claim: Given the null and alternative hypotheses below, conduct a hypothesis test for a = 0.05. Ho: H1 = 42 Ha: H1 < 42 a. Given the alternative hypothesis, the test is Select an answer b. Determine the test statistic. Round to four decimal places. t = c. Find the p-value. Round to 4 decimals. с. p-value = d. Make a decision. O Fail to reject the null hypothesis. O Reject the null hypothesis.

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