For which of these variables the median is a better measure of central tendency (average) than the mean:

For which of these variables the median is a better measure of central tendency (average) than the mean:

·       Individual income in a country

·       The weight of 5-year old boys

·       Apartment rental prices in New York

·       Customer satisfaction

·       Earnings of S&P500 companies

·       Age of employees at a large company

·       Final grades of 25 students in a statistics course