Question

Which of the data sets shown below has a range that is less than 18? Select all that apply.

A) 37, 41, 22, 27, 35
B) 25, 33, 41, 42, 39
C) 58, 52, 49, 53, 47
D) 65, 73, 53, 75, 68

Answer 1

The interval 44-47 has a frequency of 3 .
The interval 48-51 has a frequency of 4.
The interval 56-59 has a frequency of 1.
The given data set is:
42, 43, 46, 47, 47, 48, 49, 50, 51, 53, 55, 55, 59
The number lying in the interval 44-47 are :46, 47, 47
So the interval 44-47 has a frequency of 3.
The number lying in the interval 48-51 are :48, 49, 50, 51
So, the interval 48-51 has a frequency of 4.
The number lying in the interval 56-59 is: 59
So, the interval 56-59 has a frequency of 1.