Item

• -abcdef the recovery time of one person who had a heart attack
• -abcdef the recovery time
• -abcdef all patients who have had heart attacks
• -abcdef the average recovery time of all people who have heart attacks
• -abcdef a group of patients who have had heart attacks randomly selected
• -abcdef the average recovery time of the randomly selected group of patients who had a heart attack

Key Term

1. parameter
2. statistic
3. sample
4. variable
5. population
6. data