Due Tuesday Sept 21. Please write or print the problem.
The four richest women in the U.S. in 2005 are shown in the table below. The amount of their assets is given in billions of dollars.
8th grade do a,b,c,d.
7th grade do b,c,d.
6th grade do b.
Name Billions of Dollars
Alice Walton 20.0
Helen Walton 20.0
Barbara Cox Anthony 11.2
Anne Cox Chambers 11.2
a. Write the total assets for the four women as a number in scientific notation.
b. What is the mean income for the four women?
c. What is the median income for the four women?
d. Suppose there were five women in the list such that the mean income was $16,240,000,000. What would be the amount of assets for the fifth woman? What would now be the median of the data?
Solutions
a. 6.24 x 10^10
b. 15.6 billion
c. 15.6 billion
d. 18.8 billion; 18.8 billion
