The population and sample of the given study are;
Population: New York City residents
Sample: 40% of residents earn more than the median salary
Population and sample size
We are told that;
- There was a recent study
- This study was carried out among the new York city residents
- It was discovered that 40% of those sampled earned more than the median salary
Now, when talking about statistics, the population usually represents the space out of which a sample was picked and in this case it is the new York residents.
Secondly, the sample usually represents the number/percentage of people picked out of the population which in this case is 40% of residents earn more than the median salary.
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