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 asimple random sample.17.5 17 9 22.5 7.5 6 8.5 7.5 21.5 15.5Assuming all conditions for conducting a hypothesis test are met, what are the null and alternative hypotheses?O A. Ho: μ16 µg/gH₁: μ16 μg/gOC. Ho: μ16 µg/gH₁: μ< 16 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.Ho. There isGOB. Ho: μ> 16 µg/gH₁: μ< 16 μg/gOD. Ho: μ= 16 μg/gH₁: μ> 16 µg/g✔ evidence to conclude that the mean lead concentration for all such medicines is16 μg/g.

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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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4. 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 18 ug/g. Assume that the sample is a simple random sample. 21 14 20.5 4. 11.5 18.5 13.5 13 7 9.5 O Assuming all conditions for conducting a hypothesis test are met, what are the null and alternative hypotheses? CA. H μ= 18 μglg H,p18 ug/g O C. Ho: H>18 ug/g H,: u<18 ug/g Ο D. H9 μ= 18 μgg H,: p#18 ug/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. (1) Ho. There is (2) evidence to conclude that the mean lead concentration for all such medicines is (3) 18 ug/g. (1) O Reject O Fail to reject O sufficient O not sufficient (2) (3) O not O greater than O less than O equal to a le
5.32 Fuel efficiency of manual and automatic cars, Part I: Do these data provide strong evidence of a difference between the average fuel efficiency of cars with manual and automatic transmissions in terms of their average city mileage? Assume that conditions for inference are satisfied. City MPG, Automatic City MPG, Manual Mean 16.12 19.85 SD 3.58 4.51 n 26 26 The test statistic is:The p-value is:
Use a y-test to test the claim o = 0.48 at the a = 0.01 significance level using sample statistics s = 0.466 and n = 15. Assume the population is normally distributed. Identify the null and alternative hypotheses. YA. Ho: o? = 0.48 O B. Ho: o 20.48 H:o +0.48 H,: o 0.48 Identify the test statistic. (Round to two decimal places as needed.)
Listed below are the lead concentrations in μg/g measured in different traditional medicines. Use a 0.10 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. 15.5 18 10 7 4.5 11.5 10 18.5 10 13.5 Assuming all conditions for conducting a hypothesis test are met, what are the null and alternative hypotheses? A. H0: μ>16 μg/g H1: μ<16 μg/g B. H0: μ=16 μg/g H1: μ>16 μg/g C. H0: μ=16 μg/g H1: μ<16 μg/g D. H0: μ=16 μg/g H1: μ≠16 μg/g Determine the test statistic. nothing (Round to two decimal places as needed.) Identify the range of values for P-value. (You will not enter it here; you will use it to make your decsion below.) State the final conclusion that addresses the original claim. ▼ Reject Fail to reject H0. There…
A claim is given. Select the corresponding null hypothesis and using a significance level of α = 0.05 and the given p-value, determine if you reject the null hypothesis or fail to reject the null hypothesis. Claim: Americans spend on average less than 8 minutes in the shower. Data: In a sample of Americans (n = 1,803), the average time spent in the shower is 7.8 minutes with a p-value of 0.0546. A. H0 :μ=8and we reject the null. B. H0 :μ=8and we fail reject the null. C. H0 :μ>8and we reject the null. D. H0 :μ>8and we fail reject the null. E. H0 :μ<8and we reject the null. F. H0 :μ<8and we fail reject the null.
You wish to test the following claim (Ha) at a significance level of =0.01. Ho:μ1=μ2 Ha:μ1≠μ2You obtain the following two samples of data. Sample #1 Sample #2 102.7 70.5 101.6 113.4 79 96 76.5 89.9 79.8 101.6 109.9 71.6 77.6 83.5 75.4 87 106.7 82.1 94.7 88.1 91.1 91.6 91.4 99 96.4 70.5 92.5 111.4 103.2 93.4 80.2 107.6 113.4 101.6 71.6 106.7 88.4 82.5 84.8 94.4 76.5 70.5 100.2 91.9 100.7 67.8 89.6 97.8 89 90.5 67.8 106.7 74 78.1 93.1 91.9 85.8 105.2 81.4 91.4 80.6 87.9 106.9 109.4 102.4 60.4 104.9 89.5 72.4 84.9 84.5 97.4 77.1 72.9 92.7 100.3 94 81.1 79.2 104 84.2 83 86 89.5 64.9 93.6 84.9 87.1 105.8 90.2 66.6 94.9 89.5 74.9 92.3 88.3 83.8 64 68.1 91.9 80.7 83.8 85.6 99.1 93.1 89.1 90.2 94 64.9 71.8 105.8 96.9 84.2 75.3 86 56.9 112.9 84.5 96.9 What is the test statistic for this sample? (Report answer accurate to three decimal places.)test statistic = What is the p-value for this…
You wish to test the following claim (HaHa) at a significance level of α=0.02α=0.02. Ho:μ=70.6Ho:μ=70.6 Ha:μ≠70.6Ha:μ≠70.6You believe the population is normally distributed, but you do not know the standard deviation. You obtain the following sample of data: data 113.7 91.9 98.1 112.8 What is the test statistic for this sample? (Report answer accurate to three decimal places.)test statistic = What is the p-value for this sample? (Report answer accurate to four decimal places.)p-value = The p-value is... less than (or equal to) αα greater than αα This test statistic leads to a decision to... reject the null accept the null fail to reject the null As such, the final conclusion is that... There is sufficient evidence to warrant rejection of the claim that the population mean is not equal to 70.6. There is not sufficient evidence to warrant rejection of the claim that the population mean is not equal to 70.6. The sample data support the claim that the…
65 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 19 ug/g. Assume that the sample is a simple random sample. Determine the test statistic. Determine the p-value. Reject the null hypothesis? Data: 17.519.521.515.54.53.58.5191918
A safety administration conducted crash tests of child booster seats for cars. Listed below are results from those tests, with the measurements given in hic (standard head injury condition units). The safety requirement is that the hic measurement should be less than 1000 hic. Use a 0.01 significance level to test the claim that the sample is from a population with a mean less than 1000 hic. Do the results suggest that all of the child booster seats meet the specified requirement? 600 662 1092 545 496 541 what are the hypothesis? identify the test statistics identify the P-value state the final conclusion that addresses the original claims what do the results suggest about the child booster seats meeting the specified requirement?
If a researcher wants to conduct a two-tailed single sample + test with data from 30 participants and an alpha level of 0.05, what is the correct critical value? a. 2.043 b. 1699 c. 2045 d. 1.698
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