Graph 2: The following data were collected during a study of the tadpole populations in nearby lakes. Survey of Tadpole Populations in Maryland Lakes NUMBER OF TADPOLES PER LAKE LITER LAKE WATER Needwood 145 Frank 69 Little Seneca 78 Pine 288 1. What is the dependent variable? 2. What is the independent variable? 3. Is the independent variable quantitative?

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