Revenue growth. A 2005 study by Babson College and The Commonwealth Institute surveyed the top women-led businesses in the state of Massachusetts in 2003 and 2004.

The study reported the following results for continuing participants with a 9% response rate. (Does not add up to 100% due to rounding.)

Cause of Death Percent Heart disease 30.3 Cancer 23.0 Circulatory diseases and stroke 8.4 Respiratory diseases 7.9 Accidents 4.1 2003–2004 Revenue Growth Decline 7%

Modest Decline 9%

Steady State 10%

Modest Growth 18%

Growth 54%

a) Describe the distribution of companies with respect to revenue growth.

b) Is it reasonable to conclude that 72% of all women-led businesses in the U.S. reported some level of revenue growth? Explain.