Answer:
The interval of 0-19 will increase by 20 of either Hay Bale Toss or Pie Eating Contest.
Step-by-step explanation:
Number of students visiting the fair = 20
Age group = 0-16
In the histogram, this age group falls in the first interval which is 0-19.
- If all 20 students joined the Hay Bale Toss then the bar of 0-19 of Hay Bale Toss will increase from 40 to 60 and the graph of Pie Eating Contest will remain the same.
- If all 20 students joined the Pie Eating Contest then the bar of 0-19 of Hay Bale Toss will increase from 20 to 40 and the graph of Hay Bale Toss will remain the same.
Therefore, only one if the graph's interval of 0-19 will increase by 20 whereas the other graph would remain the same.
!!