Is there a statistically significant difference in the rate of cancer deaths in the two groups?Discuss

A continuing debate in public health circles concerns the dangers of being exposed to dioxin, an environmental contaminant. A German study published in the October 19, 1991, issue of The Lancet, a British medical journal, considered records of workers at an herbicide manufacturing plant that made use of dioxin. A control group consisted of workers […]

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