1Caution: It is misleading to subdivide a frequency distribution when the frequency is expressed in percentage terms. For example, if 60 percent of women earn between, say, $5 and $10 an hour, and 50 percent of men earn the same, it cannot be said that combined, 110 percent of the people earn between $5 and $10 an hour.

Get The Say It With Charts Complete Toolkit now with the O’Reilly learning platform.

O’Reilly members experience live online training, plus books, videos, and digital content from nearly 200 publishers.