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
16
g/g.
Assume that the sample is a simple random sample.
21.5 17 20 8 20.5 14.5 3 4 7.5 10.5
Assuming all conditions for conducting a hypothesis test aremet, what are the null and alternativehypotheses?
A.
H0:
>16
g/g
H1:
<16
g/g
B.
H0:
=16
g/g
H1:
<16
g/g
C.
H0:
=16
g/g
H1:
16
g/g
D.
H0:
=16
g/g
H1:
>16
g/g
Part 2
Determine the test statistic.?
=________
(Round to two decimal places asneeded.)
Part 3
Determine theP-value. =________
(Round to three decimal places asneeded.)
Part 4
State the final conclusion that addresses the original claim. Reject or not reject?
H0.
There isSufficient or not sufficient?
evidence to conclude that the mean lead concentration for all such medicines isless?, greater?, equal?
16
g/g.
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