The box plot shows the number of years during which 24 colleges have participated in a local college fair:

A boxplot is titled Years of Participation and labeled Years. Number line from 0 to 10 with primary markings and labels at 0, 5, and 10. The box extends from 2 to 7 on the number line. There is a vertical line at 4. The whiskers end at 0 and 9.

At least how many schools have participated for 2 years or fewer?
A 2 schools
B 4 schools
C 6 schools
D 7 schools

Question

The box plot shows the number of years during which 24 colleges have participated in a local college fair:

A boxplot is titled Years of Participation and labeled Years. Number line from 0 to 10 with primary markings and labels at 0, 5, and 10. The box extends from 2 to 7 on the number line. There is a vertical line at 4. The whiskers end at 0 and 9.

At least how many schools have participated for 2 years or fewer?
 A 2 schools 
B 4 schools 
C 6 schools 
D 7 schools

anonymous · Answer

attachment

amistre64 · Answer

what do we have at our disposal to determine this with?

amistre64 · Answer

in other words, how do we determine the quartiles that the box plot is built from?

amistre64 · Answer

thats the only approach id know of to find a solution

amistre64 · Answer

if we have n data points, sorted

then 1q = n/4  is the positional value of those between the minimum data point, and the first quartile position.