The following data is derived from the chart:
Blood group O positive is equal to 37 percent
Blood group O negative is equal to 6 percent
Blood group A positive is equal to 24 percent
Blood group A negative is equal to 6 percent
Blood group B positive is equal to 10 percent
Blood group B negative is equal to 2 percent
Blood group AB positive is equal to 4 percent
Blood group AB negative is equal to 1percent