If where students sit in a classroom affects their grades, where students sit is best described as a variable, which in statistics corresponds to a value that takes on a certain characteristic in a survey.
<h3 /><h3>Dependent and independent variables</h3>
These are concepts used in experimental scientific research, when there is a relationship between two variables.
Therefore, the independent variable is one that is not influenced by the occurrence of another variable. The dependent variable is variable according to the manipulation of the independent variable.
Find out more information about independent variable here:
brainly.com/question/82796
Bench trial, a trial by judge no jury
Answer: 4 per m2
<span>To find out the population density of a certain
species, you must divide the number of organisms living in that habitat over
how big the area is. In this case, because there are 20 mice in an ecosystem
that is 5 square-meters big, then there would be 4 mice in every square-meter.</span>
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