Question

What is the range in 26-30
31-35
36-41

Answer 1

range is equal to

lower limit+upper limit whole divided by two
26+30whole divided by two
56/2=28

similarly for 31-35
31+ 35 whole divided by two
66/2=33

and for 36-41
36+41 whole divided by two
77/2=38.5