For each of the following data sets decide how well or how p

For each of the following data sets, decide how well or how poorly you would expect the data to conform to Benford’s Law. Justify your answers.
(a) The grade point averages of students at the University.
(b) The ages of people in the world.
(c) The areas of countries in the world in square kilometers.
(d) The hourly wages of people who work in the fast food industry in the United States.

Solution

a)

Poorly conform. Most grades start with the digits 8 or 9.

b)

Poorly conform, Ages are more or less uniformly distributed up to say 50 years old.

c)

Poorly conform. This would be uniformly distributed, approximately.

d)

Conforms well, because this minimum wage is around $10, and most people have that.