Quantitative measurement
Explanation:
Using the ruler to measure the height of the plant is a quantitative measurement. Quantitative measurement is a from of measurement that can be measured and numbers affixed.
- The plant growth is the dependent variable in this experimental setup since it is the effect produced by applying fertilizers to the plant.
- Using the ruler the botanist can tell about the growth of the plant in numbers and not by mere qualitative terms.
- Other examples of quantitative measurements are: a mass of broth, height of an animal e.t.c.
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