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Ezra
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Where do you put the independent and dependent variables on a graph?
The independent variable is along the bottom or horizontal or x axis. The dependent variable is up the left hand side or vertical or y axis
What is The line along the bottom of a graph where the incipient variable is placed?
I believe you meant the "independent" variable, and it is the X axis. The Y axis (the vertical one) is for the dependent variable.
How do you decide which variable should be on the x axes and which should be on the y axes?
If you believe that one of the variables depends on the other then the dependent variable should go on the y axis. If they are dependent on each other (or both dependent on something else) or if they are independent then do whatever you like.
Which variable is plotted along the y-axis of the graph?
If it is called the "y-axis", that means it refers to variable "y".
What are Confounding Variables?
In any experiment there are many kinds of variables that will effect the experiment. The independent variable is the manipulation for the experiment and the dependent variable is the measure you take from that experiment. Confounding variables are things in which have an effect on the dependent variable, but were taken into account in the experimental design. For example, you want to know if Drug X has an effect on causing sleep. The experimenter must take care to design the experiment so that he can be very sure that the subjects in the study fell asleep because of the influence of his Drug X, and that the sleepiness was not caused by other factors. Those other factors would be confounding variables.
