Given the following data arranged from lowest to highest value:18,18, 18,22, 23,26,29,30,34,35,36 ,40,42, 46, 77

What is inappropriate in this frequency distribution?

Lower limit: 18,30,42,54,67

Upper Limit: 29,41,53,65,77

Frequency: Not needed

a.There cannot be a frequency of0

b.The classes overlap

c.unequal class width

d.There is a gap

e.None of these-it is done properly

THERE MAY BE MORE THAN ONE COR-RECT ANSWER