The answer is 6 schools.
In a box and whisker plot, every piece of whisker or box represents 25% of the whole number of schools.
The schools participated 1 year or less are represented by the left part of the whisker. Which stands for 25%.
To make an equation we need to set 100% = 24 and solve for 25% :
Set the denominators equal:
Remove the denominators and solve:
In a box and whisker plot, every piece of whisker or box represents 25% of the whole number of schools.
The schools participated 1 year or less are represented by the left part of the whisker. Which stands for 25%.
To make an equation we need to set 100% = 24 and solve for 25% :
Set the denominators equal:
Remove the denominators and solve: