Data 2.3 on page 66 introduced the dataset ICU-Admissions, which contains 20 different variables recorded for 200 patients admitted to the Intensive Care Unit at a hospital.
(a) What is the sample? What is a reasonable population?
(b) Indicate which variables are quantitative.
(c) List at least two questions we might ask about any of these individual variables.
(d) List at least two questions we might ask about relationships between any two (or more) of these variables.

Data 2.3 on page 66

The dataset ICUAdmissions includes information on 200 patients admitted to the Intensive Care Unit at a hospital. Twenty variables are given for the patients being admitted, including age, gender, race, heart rate, systolic blood pressure, whether or not CPR was administered, and whether or not the patient lived or died