Biology, 24.03.2020 05:22 rachelbrooks764

A farmer would like to know if a new fertilizer increases his crop yield. In an effort to decide this, the farmer recorded the yield for 9 different fields prior to adding fertilizer and after adding the fertilizer. The farmer assumes the crop yields are approximately normal. Does the fertilizer work as advertised?

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A farmer would like to know if a new fertilizer increases his crop yield. In an effort to decide thi...