3. According to the Bureau of Economic Analysis, the monthly percentage change of disposable
income in the United States over the course of a year from February to February was reported.
follows:
0.3% 0% 0.6% 0.5% 0.5% 0.4% 0.3% 0.2% 0.3% 0.2% 0.3% 0.4% 0.2%
What was the mean percent change over this period? Round your answer to the nearest
hundredth of a percent.
a.
b. What was the median percent change over this period.
c. From January to February of the second year, a 0.2% change in disposable income was
reported. If the January amount was 12.43 billion dollars, what would the February am-
be? Round your answer to two decimal places.