Command of Evidence: Quantitative

SAT Reading and Writing· difficulty 2/5

A botanist measured average seed germination rates (%) for four plant varieties: Variety I, 32%; II, 58%; III, 71%; IV, 86%. She concluded that Variety IV had the most reliable germination. The strongest support is ______

Which choice most logically completes the text using the data above?

  • A

    Variety IV's 86% rate, the highest in the sample.

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  • B

    the average across varieties.

  • C

    Variety I's 32% rate.

  • D

    Variety II's 58% rate.

Explanation

"Most reliable germination" is supported by IV's highest rate.

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