Question 21 - Science Practice Test for the HiSET Test

Dr. Smith is conducting an experiment to study the effect of a novel fertilizer on tomato plants. His results are shown in the attached table. Which trial corresponds to the control group?

Trial# Type of Fertilizer Number of
Plants
Tested
Amount of
Fertilizer Used
\((\frac{lb}{ft^2})\)
Average
Plant Height
\((ft)\)
Tomato
Yield
\((\frac{lb}{plant})\)
1 No Fertilizer 25 0.00 2.00 7.00
2 Traditional
Fertilizer A
25 2.00 2.50 7.70
3 Traditional
Fertilizer B
25 2.00 3.00 8.50
4 Novel Fertilizer 25 2.00 2.80 8.20

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