Question

the following data represent the test scores for 18 students in a class on their most recent test. use the given data to determine the stems for this stem - and - leaf plot.
test scores by student
63 58 58 81 56 58
63 64 82 54 51 55
68 61 60 55 65 71

Explanation:

Step1: List sorted test scores

Sorted scores: 51, 54, 55, 56, 58, 58, 58, 60, 61, 63, 63, 64, 65, 68, 71, 81, 82

Step2: Identify stem values

Stems = tens place of scores: 5, 6, 7, 8

Step3: Match stems to leaves

• Stem 5: leaves = 1,4,5,6,8,8,8
• Stem 6: leaves = 0,1,3,3,4,5,8
• Stem 7: leaves = 1
• Stem 8: leaves = 1,2

Answer:

Stem	Leaves
6	0 1 3 3 4 5 8
7	1
8	1 2

The missing stem values (from top to bottom in the blank stem boxes) are: 5, 6, 7, 8