ley conducted an anonymous survey of his class, to find out how they did on the last test. He rized the results in the stem-and-leaf plot below. (5 points) If a score of 60% or higher is passing, what...

Extracted text: ley conducted an anonymous survey of his class, to find out how they did on the last test. He rized the results in the stem-and-leaf plot below. (5 points) If a score of 60% or higher is passing, what percentage of the students passed the test? First, write the fraction, then change to a percent. 85% Stem Leaf 10 4 5 57 55,57 60 70,70 What is the ratio of those who passed to those who did not? 7 0078 19 8 22255 6 D 9. 111455, What score(s) occurred the most often (the mode)? 91,91, What was the difference between the highest and the lowest scores (the range)?