Question

the stem - and - leaf plot below gives the test scores for the 16 students in mr. uzuns english class. use the plot to answer the questions that follow.
key: 5|0 means a score of 50.
(a) what was the highest score in the 80s?
(b) what was the highest score overall?
(c) how many students scored in the 50s?

Explanation:

Step1: Analyze the stem - and - leaf plot

In a stem - and - leaf plot, the stem represents the tens digit and the leaf represents the units digit.
For part (a):
The scores in the 80s have a stem of 8. The leaves for the stem of 8 are 0,6. So the scores in the 80s are 80 and 86. The highest score in the 80s is 86.
For part (b):
The highest overall score:
The stems are 5,6,7,8,9. The highest stem is 9. The leaves for the stem of 9 are 0,4,4,9. So the scores with stem 9 are 90,94,94,99. The highest score overall is 99.
For part (c):
The scores in the 50s:
The stem is 5. The leaf is 9. So the score in the 50s is 59. There is 1 student who scored in the 50s.

Answer:

a. 86
b. 99
c. 1