Scientis in florida are mwasuring the masses of sea turtles as they hatch. they create a line graph and plos the masses of 18 turtles rounded to the nearest 1/4 of an ounce

The line plot below represents the number of letters written to overseas pen pals by the students at the waverly middle school. each x represents 10 students. how many students wrote more than 6 and fewer than 20 letters. a.250 b.240 c.230 d.220