Question

9. If the class marks of the frequency distribution are 12.5, 15.5, 18,5, 21.5, 24.5, 27.5, 30.5, 38.5
find the distribution (classes) and their width.
marks cach)

Answer 1

Answer:

26

Step-by-step explanation:

upper limit-lower limit

38.5-12.5

=26 Answer