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Mathematics, 05.05.2020 19:37, Nicolegrove7927
Listed below are the lead concentrations in mu ??g/g measured in different traditional medicines. Use a 0.10 0.10 significance level to test the claim that the mean lead concentration for all such medicines is less than 17 17 mu ??g/g. 6.5 18.5?21.5?5.5?8.5?4.5?4.5?17.5 15.5 20
What are the null and alternative? hypotheses?
A. Upper H0?: mu ? =17 mu ??g/g Upper H1?: mu ? ? 17 mu ??g/g
B. Upper H0?: mu > 17 mu ??g/g Upper H1?: mu ? < 17 mu ??g/g
C. Upper H0?: mu ? = 17 mu ??g/g Upper H1?: mu ? < 17 mu ??g/g
D. Upper H0?: mu ? = 17 mu ??g/g Upper H1?: mu ? > 17 mu ??g/g
Determine the test statistic. nothing ?(Round to two decimal places as? needed.)
Determine the? P-value. nothing ?(Round to three decimal places as? needed.)
State the final conclusion that addresses the original claim. ? Fail to reject Reject Upper H 0 H0. There is ? sufficient not sufficient evidence to conclude that the mean lead concentration for all such medicines is ? less than equal to greater than not 17 17 mu ??g/g.
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