2. Blood pressure is independent of the blood group. We want to
know, if the distributions attending to the blood group, in three
referred samples attending to the type of blood pressure, they are
distributed in the same way. To this end, a sample of 1500 subjects
was collected and their blood group was determined and blood
pressure was taken, classifying it as low, normal, and high.
Obtaining the following results:
Blood pressure
Blood Grpoup
A
B
AB
O
Total...