The input and output variables are the independent and dependent variables in an experiment. Hence, the input variable is the number of rowers and the speed of the rowboat is the dependent variable.
- The dependent variable changes due to tweaking the value of the independent variable.
- The speed of a rowboat will depend on the number of people in the boat, more people will mean lesser speed, while few people will make the rowboat move faster.
Hence, the independent or input variable is the number of people while the output variable is the speed of the rowboat.
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