1. Class width:
The class width is given by the following expression:
[tex]Width=\frac{Range}{#intervals}[/tex]
The number of intervals are: 4
And the range is:
[tex]Range=maximumV-MinimuV=509-210=299[/tex]
Replacing:
[tex]Width=\frac{299}{4}=74.75\approx74[/tex]
A) The class width is 74 (rounding to the smallest value).
2. Number of team attempted from 360 to 434:
B) The number of teams are: 4
3. According to the histogram, what is the total number of teams?
The total number of teams is given by:
[tex]Total=8+3+4+8=23[/tex]
C) 23.
