Question

The blood groups of 30 students of class viii are recorded as follows:
A,
B,
O,
O,
AB,
O,
A,
O,
B
A
0,
B
A,
O,
A,
AB,
0,
A,
0,
0,
AB, B,
A,
0,
B
A,
B,
Represent the data on the form of a frequency distribution table.​

Answer 1

Answer:

Take the number of times each blood group is repeated and that is the frequency.

eg. A is repeated 8 times, so the frequency is of A is 8