Question

science test scores
5 | 4 6 7 8 9
7 | 0 3 3 5
8 | 2 7 7 7 8
9 | 4 7 9
how many scores are organized on this stem and leaf plot?
a 10
b 15
c 17
d 18

Explanation:

Step1: Count the number of leaves in each row

• First row (stem 5): 5 leaves ($4,6,7,8,9$)
• Second row (stem 7): 4 leaves ($0,3,3,5$)
• Third row (stem 8): 5 leaves ($2,7,7,7,8$)
• Fourth row (stem 9): 3 leaves ($4,7,9$)

Step2: Sum up the number of leaves

$$5 + 4+5 + 3=17$$

Answer:

C. 17