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 tration for all such medicines is less than 19 µg/g. Assume that the sample is a simple random sample. 16.5 14.5 19.5 22 7 17.5 9.5 22 15.5 C ing all conditions for conducting a hypothesis test are met, what are the null and alternative hypotheses? Ho: H=19 µg/g OB. Ho: H=19 μg/g H₁ μ#19 µg/g H₁ μ< 19 μg/g Ho: > 19 µg/g OD. Ho: 19 μg/g H₁: 19 µg/g H₁: > 19 μg/g mine the test statistic. Round to two decimal places as needed.) mine the P-value. Round to three decimal places as needed.) the final conclusion that addresses the original claim. Ho. There is evidence to conclude that the mean lead concentration for all such medicines is 19 μg/g.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
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Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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Listed below are the lead concentrations in µg/g measured in different traditional medicines. Use a 0.01 significance level test the claim that the mean lead
concentration for all such medicines is less than 19 µg/g. Assume that the sample is a simple random sample.
10 16.5 14.5 19.5 22 7 17.5 9.5 22
15.5
Assuming all conditions for conducting a hypothesis test are met, what are the null and alternative hypotheses?
O A. Ho: H=19 µg/g
OB. Ho: μ= 19 µg/g
H₁ μ#19 μg/g
H₁ μ< 19 μg/g
OC. Ho > 19 µg/g
O D. Ho: 19 μg/g
H₁: μ< 19 μg/g
H₁: μ> 19 μg/g
Determine the test statistic.
(Round to two decimal places as needed.)
Determine the P-value.
(Rour o three decimal places as needed.)
State the final conclusion that addresses the original claim.
Ho. There is
evidence to conclude that the mean lead concentration for all such medicines is
19 µg/g.
Transcribed Image Text:Listed below are the lead concentrations in µg/g measured in different traditional medicines. Use a 0.01 significance level test the claim that the mean lead concentration for all such medicines is less than 19 µg/g. Assume that the sample is a simple random sample. 10 16.5 14.5 19.5 22 7 17.5 9.5 22 15.5 Assuming all conditions for conducting a hypothesis test are met, what are the null and alternative hypotheses? O A. Ho: H=19 µg/g OB. Ho: μ= 19 µg/g H₁ μ#19 μg/g H₁ μ< 19 μg/g OC. Ho > 19 µg/g O D. Ho: 19 μg/g H₁: μ< 19 μg/g H₁: μ> 19 μg/g Determine the test statistic. (Round to two decimal places as needed.) Determine the P-value. (Rour o three decimal places as needed.) State the final conclusion that addresses the original claim. Ho. There is evidence to conclude that the mean lead concentration for all such medicines is 19 µg/g.
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