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Mathematics, 19.03.2020 02:34 gabbyallen9703

Banana tree type 1 yielded 135 bushels per acre last year at a research farm, and the farm experienced a drought. This year, banana

tree type 2, planted in the same location, yielded 167 bushels per acre. The researchers do not know whether the difference is a result

of the superiority of type 2 banana trees or the drought. What is this an example of?

A. Confounding variable

B. Bias

C. Matched pairs design

D. The placebo effect

E. Replication

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Banana tree type 1 yielded 135 bushels per acre last year at a research farm, and the farm experienc...

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