Question

2. The class marks of a distribution are 17.27.37, 47, 57, 67, 77,87, 97, 107 find class-size and class intervals
for 57 and 77.​

Answer 1

2. The class marks of a distribution are 17.27.37, 47, 57, 67, 77,87, 97, 107 find class-size and class intervals

for 57 and 77.