Question
Listed below are the lead concentrations in g/g measured in different traditional medicines. Use a 0.10 significance level to test the claim that the mean
Listed below are the lead concentrations in g/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 17g/g.
Assume that the sample is a simple random sample.
12
15.5
6
6
17.5
20.5
19
19.5
17
5.5
Assuming all conditions for conducting a hypothesis test are met, what are the null and alternative hypotheses?
A.
H0:
=17
g/g
H1:
<17
g/g
B.
H0:
>17
g/g
H1:
<17
g/g
C.
H0:
=17
g/g
H1:
>17
g/g
D.
H0:
=17
g/g
H1:
17
g/g
Determine the test statistic.
enter your response here
(Round to two decimal places as needed.)
Determine the P-value.
enter your response here
(Round to three decimal places as needed.)
State the final conclusion that addresses the original claim.
Fail to reject
Reject
H0.
There is
not sufficient
sufficient
evidence to conclude that the mean lead concentration for all such medicines is
greater than
not
equal to
less than
17
g/g.
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