Question

Listed below are blood groups of O, A, B, and AB of randomly selected blood donors (based on data from the Greater New York Blood Program).
O A B O O O O O AB O O O B O B O A A A O A A B AB A B A A A A O A O O A A O O A O O O O A A A A A AB
Identify the frequency of the blood group O.

a. 50
b. 0
c. 1
d. 22***

Answer 1

You missed typing in one O, but it is closest to 22. To find the frequency, it doesn't really matter where you got the data, so you don't need to type that info.