Find the class limits for a frequency table with seven classes.

Question

A data set with whole numbers has a low value of 20 and a high value of 103.

Class width for a frequency table with seven classes is 12.

First Class (20-?)

Second Class (?-?)

Third Class (?-?)

Fourth Class (?-?)

Fifth Class (?-?)

Sixth Class (?-?)

Seventh Class (?-?)

Answer 1

103-20)/7 = 83/7 = 11 + 6/7, so yes 12

20-32 --> bucket #1

33-45 --> bucket #2

46-58--> bucket #3

69-81 --> bucket #4

82-94--> bucket #5

95-107 --> bucket #6

108-120 --> bucket #7