Question

here is a list of students test scores: 100, 71, 87, 90, 100, 75, 70, 85, 89, 88, 94. which number belongs in the blank below? test scores

7	0, 1, 5
8	_, 7, 8, 9
9	0, 4
10	0, 0

key: 7|1 means 71
1
2
3
4

Explanation:

Step1: Understand the stem - and - leaf plot

The left - hand side of the plot is the stem and the right - hand side is the leaf. The key shows that 7|1 means 71. We need to find the missing leaf for the stem 8.

Step2: List out the scores in the 80s

The scores in the list are 100, 71, 67, 90, 100, 75, 70, 85, 89, 88, 94. The scores in the 80s are 85, 89, 88. The missing digit for the stem 8 in the plot is 5.

Answer:

1