X: lead concentration.
Sr.No. | X | X-Xbar | (X-Xbar)^2 |
1 | 21 | 9.45 | 89.30 |
2 | 12.5 | 0.95 | 0.90 |
3 | 2.5 | -9.05 | 81.90 |
4 | 15 | 3.45 | 11.90 |
5 | 4.5 | -7.05 | 49.70 |
6 | 5.5 | -6.05 | 36.60 |
7 | 13 | 1.45 | 2.10 |
8 | 5 | -6.55 | 42.90 |
9 | 21.5 | 9.95 | 99.00 |
10 | 15 | 3.45 | 11.90 |
Total | 115.5 | 426.225 | |
Xbar=total/10 | 11.55 | S^2 = Total/9 | 47.36 |
Listed below are the lead concentrations in ug/g measured in different traditional medicines. Use a 0.01...
21 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 15 pg/g. Assume that the sample is a simple random sample. 12.5 2.5 15 4.5 5.5 13 5 21.5 15 Assuming all conditions for conducting a hypothesis test are met, what are the null and alternative hypotheses? O A. Ho: H= 15 ug/g OB. Ho:...
Listed below are the lead concentrations in pg/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 15 ug/g. Assume that the sample is a simple random sample 21.5 5.5 20.5 7.5 4 11 8.5 3 10.5 13.5 Assuming all conditions for conducting a hypothesis test are met, what are the null and alternative hypotheses? O A. Ho: p= 15 ug/g H 15...
Listed below are the lead concentrations in ug/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 17 pg/g. Assume that the sample is a simple random sample. 17 8 9 13.5 11 8.5 22.5 15.5 14.5 3.5 Assuming all conditions for conducting a hypothesis test are met, what are the null and alternative hypotheses? O A. Ho = 17 pg/g OB. Ho...
Listed below are the lead concentrations in ug/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 15 ug/g. Assume that the sample is a simple random sample. 15.5 16.5 16 4.5 32.5 8.5 13.5 7.5 22 Assuming all conditions for conducting a hypothesis test are met, what are the null and alternative hypotheses? O A. Ho: p= 15 ug/g H:> 15 ug/g...
Listed below are the lead concentrations in ug/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 ug/g. Assume that the sample is a simple random sample. 13.5 11.5 9 14.5 18.5 11.5 10 5.5 3.5 16.5 Assuming all conditions for conducting a hypothesis test are met, what are the null and alternative hypotheses? O A. Ho: u = 16 pg/g Hy:...
Listed below are the lead concentrations in al 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 19 g/ 20 16.5 25 4 215 17 20.5 21 21.5 13 What are the null and alternative hypotheses? Ο Α. Ημο 10 μοίο H19 OC. H: 19 H,:μ2 19 μοία OBH > 19 H:19 OD. Ho - 19 vole H:10 Determine the test statistic (Round...
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 15 ug/g. 18 15.5 5.5 12.5 4 3 14 8.5 20 17.5 - What are the null and alternative hypotheses? O A. Ho: u = 15 ug/g Hyu# 15 ug/g O C. Hou > 15 ug/g Hu<15 ug/g O B. Ho: u = 15 ug/g Hy:...
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 16 ug/g. Assume that the sample is a simple random sample. 22 12.5 6 8.5 12 3 14.5 22 10 4 D Assuming all conditions for conducting a hypothesis test are met, what are the null and alternative hypotheses? O A. Ho: u = 16 ug/g...
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 14 μg/g 3 9 10 11.5 8.5 21.5 20 6 7.5 17 What are the null and alternative hypotheses? O A 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...
4 Listed below are the lead concentrations in yolg measured in different traditional medicines. Use a 0.10 significance level to test the claim that the mean lead concentration for all such medicinos is less than 14 gg. Assume that the sample is a simple random sample. 13 165 5.5 10.5 15.5 125 9 175 30 Assuming all conditions for conducting a hypothesis test are met, what are the null and alternative hypotheses? OA. Ho: > 14 wg/ OB. H: 14...