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 of , and then decreased as the soil pH increased. Which scatterplot could represent these data?
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 , 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 and then decreased as the soil pH increased.
Final Answer:
The scatterplot—
would represent these data.
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