Impact of Fertilizer on Plant Growth

Easy Data Representation Interpreting Experimental Data

In a laboratory experiment, students are testing how different amounts of fertilizer affect plant growth. They set up three groups of plants, each receiving a different amount of fertilizer: Group A received 0 grams, Group B received 5 grams, and Group C received 10 grams. After four weeks, they measured the height of the plants in centimeters. The results are as follows:

Group A: average height = 15 cm
Group B: average height = 25 cm
Group C: average height = 30 cm

Based on the data provided, what can be concluded about the effect of fertilizer on plant growth?

Fertilizer has no effect on plant growth.

Increasing fertilizer amounts leads to decreased plant height.

More fertilizer correlates with increased plant height.

All plants grew the same regardless of fertilizer used.

Hint

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