Question

the stem - and - leaf plot shows the number of words in the classified ads in a newspaper one day. how many ads had at least 20, but fewer than 45, words? 1|0 3 3 5 7 9 2|0 0 1 4 5 3|3 8 8 key : 1|0 = 10 4|7 5|2

Explanation:

Step1: Identify relevant stems

We need numbers from 20 - 44. Stems 2 and 3 are relevant, and for stem 4, we only consider values less than 45.

Step2: Count leaves for relevant stems

For stem 2, there are 5 leaves (20, 20, 21, 24, 25). For stem 3, there are 3 leaves (33, 38, 38). For stem 4, there are 0 leaves that meet the criteria.

Step3: Sum the counts

$5 + 3+0=8$

Answer:

8