A medical researcher is using rats to do an experimental test to determine the appropriate dosage for a new cancer drug. Each rat will be given a different dosage of the drug. The oncologist will then measure the growth rate of the cancerous tumor. Which of the following best describes the input and output variables that will be used in this experiment?Group of answer choicesInput: growth rate of tumor; Output: dosage of drugInput: dosage of drug; Output: size of the ratInput: size of the rat; Output: dosage of drugInput: dosage of drug; Output: growth rate of tumorInput: size of the rat; Output: growth rate of tumor
Question
A medical researcher is using rats to do an experimental test to determine the appropriate dosage for a new cancer drug. Each rat will be given a different dosage of the drug. The oncologist will then measure the growth rate of the cancerous tumor. Which of the following best describes the input and output variables that will be used in this experiment?Group of answer choicesInput: growth rate of tumor; Output: dosage of drugInput: dosage of drug; Output: size of the ratInput: size of the rat; Output: dosage of drugInput: dosage of drug; Output: growth rate of tumorInput: size of the rat; Output: growth rate of tumor
Solution 1
The best description for the input and output variables in this experiment would be: Input: dosage of drug; Output: growth rate of tumor. This is because the dosage of the drug is what is being manipulated or changed in the experiment (the independent variable), and the growth rate of the tumor is what is being measured or observed as a result (the dependent variable).
Solution 2
The best description for the input and output variables in this experiment would be: Input: dosage of drug; Output: growth rate of tumor. This is because the dosage of the drug is what is being manipulated or changed in the experiment (the independent variable), and the growth rate of the tumor is what is being measured or observed as a result (the dependent variable).
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