Solution Found!
use the Wilcoxon rank-sum test.Radiation in Baby Teeth
Chapter 13, Problem 8 BSC(choose chapter or problem)
Problem 8BSC
use the Wilcoxon rank-sum test.
Radiation in Baby Teeth Listed below are amounts of strontium-90 (in millibecquer-els, or mBq, per gram of calcium) in a simple random sample of baby teeth obtained from Pennsylvania residents and New York residents born after 1979 (based on data from “An Unexpected Rise in Strontium-90 in U.S. Deciduous Teeth in the 1990s,” by Mangano et al., Science of the Total Environment). Use a 0.05 significance level to test the claim that the median amount of strontium-90 from Pennsylvania residents is the same as the median from New York residents.
Pennsylvania 155 142 149 130 151 163 151 142 156 133 138 161
New York 133 140 142 131 134 129 128 140 140 140 137 143
Questions & Answers
QUESTION:
Problem 8BSC
use the Wilcoxon rank-sum test.
Radiation in Baby Teeth Listed below are amounts of strontium-90 (in millibecquer-els, or mBq, per gram of calcium) in a simple random sample of baby teeth obtained from Pennsylvania residents and New York residents born after 1979 (based on data from “An Unexpected Rise in Strontium-90 in U.S. Deciduous Teeth in the 1990s,” by Mangano et al., Science of the Total Environment). Use a 0.05 significance level to test the claim that the median amount of strontium-90 from Pennsylvania residents is the same as the median from New York residents.
Pennsylvania 155 142 149 130 151 163 151 142 156 133 138 161
New York 133 140 142 131 134 129 128 140 140 140 137 143
ANSWER:
Solution 8BSC