The stem-and-leaf plot below gives the test scores for the 14 students in Mr. Uzun's English class. Use the plot to answer the questions that follow.

Question

Test score
5 8
6
4 6 9
7 0 1 1 5 9 9
8 4 8
9 0 1
Key: 5|8 means a score of 58.
(a) What was the highest score in the 80s?
(b) What was the lowest score overall?
(c) How many students scored in the 60s?

Answer 1

From the stem-and-leaf plot provided:

• Stem represents the tens place, and the leaf represents the units place of the test scores.

The scores are as follows:

• 5 | 8 → 58
• 6 → 60
• 4 | 6 9 → 46, 49
• 7 | 0 1 1 5 9 9 → 70, 71, 71, 75, 79, 79
• 8 | 4 8 → 84, 88
• 9 | 0 1 → 90, 91

(a) What was the highest score in the 80s?

The scores in the 80s are 84 and 88. The highest score in the 80s is 88.

(b) What was the lowest score overall?

The lowest score overall is 46.

(c) How many students scored in the 60s?

The only score in the 60s is 60, which means 1 student scored in the 60s.

To summarize:

• (a) Highest score in the 80s: 88
• (b) Lowest score overall: 46
• (c) Number of students who scored in the 60s: 1