Maths-
General
Easy

Question

The relative yield of corn, expressed as a percent, and soil pH were recorded for 5 samples. For the 5 samples, the relative yield of corn reached a maximum when the soil had a p H of 6.8, and then decreased as the soil pH increased. Which scatterplot could represent these data?

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The correct answer is:


    Observation of graph will be performed to solve the question.
    Explanations:
    Step 1 of 1:

    Looking at the above options of the graphs, we can observe that
    For A, at 6.8 soil pH, the relative yield (%) is 30 and then at pH 7.5, yield is decreased to 25.
    For B, at 6.8 soil pH, the relative yield (%) is 50 and then at pH 7.5, yield is increased to 65.
    For C, at 6.8 soil pH, the relative yield (%) is 100 and then at pH 7.5, yield is decreased to 85.
    For D, at 6.8 soil pH, the relative yield (%) is 80 and then at pH 7.5, yield is increased to 100.
    So, according to the question, option C graph has the maximum relative yield of corn when the soil had a pH of 6.8 and then decreased as the soil pH increased.
    Final Answer:
    The scatterplot—
    would represent these data.

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