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 15, but fewer than 30, words? key : 1|0 = 10

Explanation:

Step1: Identify relevant stems

We need numbers from 15 - 29. Stems are 1 and 2.

Step2: Count relevant leaves for stem 1

For stem 1, leaves representing numbers 15 or more are 5, 7, 9. Count is 3. Total for stem 1 is 3.

Step3: Count leaves for stem 2

For stem 2, all leaves are relevant. There are 5 leaves (0, 0, 1, 4, 5). Total for stem 2 is 5.

Step4: Calculate total

Add totals from stem 1 and stem 2. $3 + 5=8$.

Answer:

8