Listed below are the lead concentrations in μ​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 16 μ​g/g. Assume that the sample is a simple random sample.

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Listed below are the lead concentrations in
μ​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
16
μ​g/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
μ​g/g
H1​:
μ<16
μ​g/g
 
B.
H0​:
μ=16
μ​g/g
H1​:
μ>16
μ​g/g
 
C.
H0​:
μ=16
μ​g/g
H1​:
μ<16
μ​g/g
 
D.
H0​:
μ=16
μ​g/g
H1​:
μ≠16
μ​g/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 is
 
sufficient
not sufficient
evidence to conclude that the mean lead concentration for all such medicines is
 
less than
not
equal to
greater than
16
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