Answer:
x=8
Step-by-step explanation:
Is this the answer you wanted if not I can change it
I think it means which graph is the best at representing the data or data set.
For example if you were to graph the population of an animal you would use a line graph to represent the data
If you were determining how much percentage you would get a job you would use a pie graph. Etc
To find the number or rows, divide the total number of students by the number in each row.
63 / 7 = 9 rows.
