Which of the following statements is best supported by the student’s data?

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Use the information below and your knowledge of science to answer questions below:

A student decides to try putting different chemicals on plants to see if any of them help the plant grow. He treats various specimens of the same type of plant with different chemicals and obtains the following data:

CHEMICAL:

HEIGHT

(in inches):

None

30

Chemical #1

26

Chemical #2

25

Chemical #3

36

Chemical #4

12


Which of the following statements is best supported by the student’s data?