Question

Medal
The frequency polygon below shows the distribution of scores of the approximately 1,080,000 students who took an SAT exam.

How many students scored between 600 and 800 on the exam?
? students

Answer 1

look at the horizontal axis and find 600 go up until you hit the polygon, then record the number of students.

Repeat the process for a score of 800.

the number of students = students @800 - students @ 600

hope it helps

Answer 2

so we substract 800 by 600

Answer 3

no... if you go to 600 on the horizontal axis... then go vertical to the polygon... how many students scored 600..?

Answer 4

150