The lead content and acidity of christchurch precipitation

Reference no: EM131087068

The article "The Lead Content and Acidity of Christchurch Precipitation" (N. Zeal. J. of Science, 1980: 311- 312) reports the accompanying data on lead concentration (mg/L) in samples gathered during eight different summer rainfalls: 17.0, 21.4, 30.6, 5.0, 12.2, 11.8, 17.3, and 18.8. Assuming that the lead-content distribution is symmetric, use the Wilcoxon signed-rank interval to obtain a 95% CI for m.

Reference no: EM131087068

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