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 simple random sample. 15.5 10 20.5 9 21 13.5 8.5 5.5 12.5 20 O Assuming all conditions for conducting a hypothesis test are met, what are the null and alternative hypotheses? Ο. Ho μ> 16 μg'g Ο Β. Ho:μ= 16 μglg H:u< 16 ug/g H1: u# 16 pg/g Oc. H με 16 μg g Ο D. H με 16 μgg H4: u> 16 ug/g H1: u< 16 µg/g

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State the final conclusion that addresses the original claim.
V Ho. There is
V evidence t conclude that the mean lead concentration for all such medicines is
V 16 ug/g.
equal to
greater than
not
less than
Transcribed Image Text:State the final conclusion that addresses the original claim. V Ho. There is V evidence t conclude that the mean lead concentration for all such medicines is V 16 ug/g. equal to greater than not less than
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.
15.5
10
20.5
21
13.5
8.5
5.5
12.5
20 O
Assuming all conditions for conducting a hypothesis test are met, what are the null and alternative hypotheses?
Ο Α. Ho: μ> 16 μgg
H1: µ< 16 µg/g
Ο Β. Hρ: μ= 16 μgg
H1: µ# 16 µg/g
Ο D. Ho : μ= 16 μgg
H4:µ< 16 ug/g
O C. Ho: μ= 16 μglg
H1: µ> 16 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.
Ho. There is
evidence to conclude that the mean lead concentration for all such medicines is
V 16 ug/g.
Reject
Fail to reject
Transcribed Image Text: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. 15.5 10 20.5 21 13.5 8.5 5.5 12.5 20 O Assuming all conditions for conducting a hypothesis test are met, what are the null and alternative hypotheses? Ο Α. Ho: μ> 16 μgg H1: µ< 16 µg/g Ο Β. Hρ: μ= 16 μgg H1: µ# 16 µg/g Ο D. Ho : μ= 16 μgg H4:µ< 16 ug/g O C. Ho: μ= 16 μglg H1: µ> 16 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. Ho. There is evidence to conclude that the mean lead concentration for all such medicines is V 16 ug/g. Reject Fail to reject
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