Sulfite is a drug used to treat asthma. In a sample of 400 patients treated at Ridge Hospital with sulfite,26% of them said they were quickly relieved. Use this information to answer the following...

Sulfite is a drug used to treat asthma. In a sample of 400 patients treated at Ridge Hospital with sulfite,26% of them said they were quickly relieved. Use this information to answer the following questions: I) What is the variable in the study? II) Classify the variable by precision III) What is the measurement scale?