Test Scores

Question

Score Tally Frequency
18–19 5
16–17 9
14–15 5
12–13 3
10–11 1
8–9 2
1. How many students are in the sample?

• 15
• 20
• 22
• 25

Answer 1

The total frequency is the sum of the frequencies for each score interval, which is:

5 + 9 + 5 + 3 + 1 + 2 = 25

Therefore, there are 25 students in the sample. The answer is option d) 25.