In July 2013, the Unemployment Rate in California Was 8

Multiple Choice

In July 2013, the unemployment rate in California was 8.5%, that of Oregon was 7.9%, and that of Washington State was 6.8%.(Keep in mind that California is by far the most populous of the three states) .If a simple, rather than weighted, average were used to estimate the overall unemployment rate across the three West coast states, the resulting value would be:

A) an underestimate of the true unemployment rate across the three states.
B) an accurately estimate of the true unemployment rate across the three states.
C) an overestimate of the true unemployment rate across the three states.
D) the direction of the bias of the estimate cannot be determined.
E) none of the above