Question

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principal kirby reported the state test scores from some students at her school.
test scores
stem leaf
0 5
1
2 6 8
3 4 9
4 1 9
5 6
6 4 6
7
8 6 8
how many students scored fewer than 80 points?
students

Explanation:

Step1: Identify scores less than 80

Count leaves for stems 0 - 7.

Step2: Count number of leaves

For stem 0: 1 leaf (5). For stem 2: 2 leaves (6, 8). For stem 3: 2 leaves (4, 9). For stem 4: 2 leaves (1, 9). For stem 5: 1 leaf (6). For stem 6: 2 leaves (4, 6). For stem 8: we ignore as scores are 80 - 89. Total number of leaves for stems 0 - 7 is \(1 + 2+2 + 2+1 + 2=10\).

Answer:

10