Question

joy measured the length of each scarf in the clothing store where she works.
scarf lengths (centimeters)
stem | leaf
11 | 0
12 | 1
13 | 0 4
14 | 4 4
15 | 1 8 9
how many scarves are at least 130 centimeters but less than 136 centimeters?
□ scarves

Explanation:

Step1: 确定范围

至少130cm且小于136cm，对应茎为13，叶需满足\(0\leq叶<6\)。

Step2: 统计叶的数量

茎13的叶为0、4，共2个。

Answer:

2