Each year, a magazine publishes a list of the richest people in a country. In last year's issue, the six richest people and their wealth (to the nearest billion dollars) are as shown in the following table. Consider these six people as the population of interest. Complete parts (a) through (e) below.
a. Calculate the mean wealth, μ, of the six people. μ equals $39 billion.
b. Person Wealth ($ billions)
A $74
B $59
C $44
D $39
E $39
F $33