Suppose i’ll define population is all woman and a survey is being conducted. which of these is an example of selection bias

Do,h = (7, 9) (14, 18) the scale factor is

20 ! brainliest ! add and simplify your answer.

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