The following box plot shows the number of years during which 24 schools have participated in an interschool swimming meet: a box and whisker plot is drawn using a number line from 0 to 10 with primary markings and labels at 0, 5, 10. in between two primary markings are 4 secondary markings. the box extends from 1 to 6 on the number line. there is a vertical line at 3.5. the whiskers end at 0 and 8. above the plot is written duration of participation. below the plot is written years. at least how many schools have participated for 1 year or less? 6 schools 8 schools 12 schools 14 schools explain, best answer and explanation gets brainliest