You need 3 numbers, divide the total by 3:
84/3 = 28
This is the middle value.
Now you use the one lower and the one higher:
27 + 28 + 29 = 84
The numbers are 27, 28, 29
The usefulness is that this data allows you to understand how well students perform with their instruction, based on a standardized test. The limitation is that the scores don't account for different situations that may affect the results you receive.
Answer:
1716
Step-by-step explanation:
We can use nCr equation to find this
n=13
r=7
Answer:
C=9 or c=-7
Step-by-step explanation:
|-5c+5|=40
-5c+5=-40 or - 5c+5=40
-5c=-40-5. - 5c=40-5
-5c=-45. - 5c=35
C=9. C=-7
