Respuesta :
Answer:5th grade range-7
7th grade range-7
The ratio variation is -1
Step-by-step explanation:just got the question right
Answer:
The 5th-grade range is
✔ 7
.
The 7th-grade range is
✔ 7
.
The ratio of variation of 5th grade to 7th grade is
✔ 1
.
Step-by-step explanation: