Please explain how to do this

6[8 8 9
7[2 5 5 5 8 8 8 9
8[2 2 2 6 6 9 9
9[0 0 0 2 2 5 5 5

Key: 8[2 means 82

How many students scored 78?

1 student

2 students

3 students

4 students

2 answers

well, jeez - look at the 7 row. How many 8's are there?
Answers for the Statistical Questions Quiz in Connexus

1. 4 students
2. 78
3. 56
4. The scale on graph 1 does not distort the differences in the numbers of students
5. No; $9.25 is the correct median
6. Nice; sly
7. What did you score on the last math quiz?
8. Ask my friends, "in which club should i participate?"

100% correct, i swear on my video games lives, and thats a serious thing to swear on for me😂 enjoy the answers