Problem

Researchers observe diet pattern and cholesterol for \(500\) registry patients without assigning treatment. Identify the population, sample, observational unit, explanatory variable, response, and study design.

Answer choices

Choose your path.

Preview only

Population: registry-covered patients; sample: the registry; unit: all patients together; explanatory variable: diet pattern; response: cholesterol; design: observational study.

Population: all patients everywhere; sample: 500 patients; unit: one patient; explanatory variable: diet pattern; response: cholesterol; design: randomized experiment.

Population: registry-covered patients; sample: 500 patients; unit: one patient; explanatory variable: diet pattern; response: cholesterol; design: observational study.

Population: registry-covered patients; sample: 500 patients; unit: one patient; treatment: cholesterol assigned by researchers; response: diet pattern; design: observational study.

The choices are visible. Checking your work and seeing which answer is correct happen inside Gozunta.

Researchers observe diet pattern and cholesterol for \(500\) registry patients without assigning treatment. Identify the population, sample, observational unit, explanatory variable, response, and study design.

Turn the preview into practice.

Gozunta lets you study this problem—and more than 10,000 others.