Question

quiz scores
stem|leaf
6|3
7|0 0 4 7
8|2 5 5 9
9|4 7 9
10|0 0
key: 9|4=94
thats correct! 63% is the lowest score on the chart.
how many scores were 90% and above?
hint: count the digits after the 9 and 10 (90% and 100%).

Explanation:

Step1: Identify scores 90% and above

The stems 9 and 10 represent scores 90% and above.

Step2: Count the number of scores

For stem 9, there are 3 scores (94, 97, 99). For stem 10, there are 2 scores (100, 100).

Step3: Calculate total

$3 + 2=5$.

Answer:

5