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independent variable

An independent variable is a factor that can be varied or manipulated in an experiment (e.g. time, temperature, concentration, etc). It is usually what will affect the dependent variable. There are two types of independent variables, which are often treated differently in statistical analyses: (1) quantitative variables that differ in amounts or scale and can be ordered (e.g. weight, temperature, time). (2) Qualitative variables which differ in "types" and can not be ordered (e.g. gender, species, method). By convention when graphing data, the independent variable is plotted along the horizontal X-axis with the dependent variable on the vertical Y-axis.blah blah im an idiot

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