Question

Listed below are the lead concentrations in μg/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 18 μg/g. Assume that the lead concentrations in traditional medicines are normally distributed.

33, 19, 17.5, 11, 17, 17.5, 14.5, 11.5, 17, 2.5

Answer #1

Listed below are the lead concentrations in μg/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 20 μg/g.
6
15.5
19
6
21.5
22
11
15.5
22
17.5
Determine the test statistic.
State the final conclusion that addresses the original
claim.
(Reject or Fail to Reject) H0. There is (sufficient or
insufficient) evidence to conclude that the mean lead concentration
for all...

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 15 μ g/g. 22 14.5 10 11 7.5 10 8 3 12 19
What are the null and alternative hypotheses?
What is the test statistic
Identify the P VALUE
Conclusion

Listed below are the lead concentrations in μg/g measured in
different traditional medicines. Use a 0.05 significance level to
test the claim that the mean lead concentration for all such
medicines is less than 18 μg/g. Assume that the lead
concentrations in traditional medicines are normally
distributed.
4 20 10.5 20.5 10.5 9 9 20.5 12 15

Listed below are the lead concentrations in
μ g/g measured in different traditional medicines. Use a
0.05
significance level to test the claim that the mean lead
concentration for all such medicines is less than
15 μ g/g. Assume that the lead concentrations in traditional
medicines are normally distributed.
6.5 9
10.5 14.5
20.5 16 6.5
4.5 22 16.5
What are the null and alternative hypotheses?
Determine the test statistic.
Determine the P-value
State the final conclusion that addresses the...

Listed below are the lead concentrations in mu μg/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 19 mu μg/g. Assume that the lead
concentrations in traditional medicines are normally distributed.
12 14 21 21.5 13.5 21.5 9 16 21.5 5.5

Listed below are the lead concentrations in μg/g in different
traditional medicines. Use a 0.05 significance level to test the
claim that the mean lead concentration for all such medicines is
less than 18 μg/g. Assume that the lead concentrations in
traditional medicines are normally distributed. 17
8.5
11
16
8.5
20
22
16.5
7.5
10

Listed below are the lead concentrations in mug/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 14 mug/g.
17.5, 2.5, 18, 4.5, 4.5, 14, 10.5, 12.5, 5.5, 4.5
What are the null and alternative hypotheses?
Determine the test statistic ____ (round to two decimals)
State the final conclusion that addresses the original
claim.:
(Fail to reject Reject) ____ H0. There is ____...

Listed below are the lead concentrations in μg/g measured in
different traditional medicines. Use a 0.05 significance level to
test the claim that the mean lead concentration for all such
medicines is less than 17 μg/g. Assume that the lead
concentrations in traditional medicines are normally distributed.
21.5, 10.5, 12.5, 15, 22, 7.5, 8, 3,14.5, 9
What are the null and alternative hypotheses?
test statistic
pval
ending statement

Listed below are the lead concentrations in mug/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 20 mug/g.
21.5 9 19.5 22 8.5 20 19.5 11 18 20

Listed below are the lead concentrations in mug/g measured in
different traditional medicines. Use a 0.05 significance level to
test the claim that the mean lead concentration for all such
medicines is less than 14 mug/g.
18 3.5 16.5 21 11.5 8.5 8 17.5 8.5 3
What are the null and alternative hypotheses?

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