Question

the blood group of 25 students in a class are - O-,A+,A-,B+,B+,AB+,O+,A-,O+,O-,O+,AB+,B+,A+,O+,AB+,AB-,A-,B-,O-,O+,A-,AB-,O+,A+
construct a bar graph

Answer 1

sab count kr kitna h fir usko bar graph me convert kr