You wish to estimate the mean cholesterol levels of patients two days after they had a heart attack. To estimate the mean you collect data from 28 heart patients. State the individual, variable, population, sample, parameter, and statistic.
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  1. Set of cholesterol levels of all heart patients two days after they had a heart attack
  2. Mean cholesterol level of 28 heart patients two days after they had a heart attack
  3. Mean cholesterol level of all heart patients two days after they had a heart attack
  4. Heart patient two days after they had a heart attack
  5. Set of cholesterol levels of 28 heart patients two days after they had a heart attack
  6. Cholesterol level
 

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