Answer:
2x^3+2x-1
Step-by-step explanation:
Solution,
Arranging the data in ascending order:
0,1,1,2,2,3,3,4,4,4,4,4,4,4,5,6,6,7,8,9
N(total number of items)= 20
Now,
Median:
Again,
Yes, because there is a corresponding amount of teachers per student.
<em>(IQR) interquartile range: 12 - 9 = 3</em>
Median: 10
Lower quartile: 9
Upper quartile: 12
Interquartile Range: 12 - 9 = 3