The independent variable which will on on the x-axis is the price of a t-shirt.
The dependent variable which will on on the x-axis is the number of t-shirts sold.
The independent variable can be described as the variable that is used to determine the dependent variable. It is the variable that the researcher manipulates in the experiment.
The dependent variable is the variable whose value is determined in the experiment. The value of the dependent variable depends on the independent variable.
For example, assume that if the price of a shirt is $1. A person purchases 10 t shirts. If the price increases to $10, only one shirt would be sold. This means that the amount of shirts bought is dependent on the price of the t-shirt. The price of the shirt is the independent variable while the amount of shirts bought is the dependent variable.
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