Answer:
81.5
Step-by-step explanation:
first arrange the numbers
25,40,68,70,78,85,85,95,98,100
N= 10
median= (n+1)/2
=11/2
=5.5
the average between 5th position and 6th
which is 78 and 85
=(78+85)/2
=81.5
Answer:
Suppose 3 consecutive integers are X-1,X,X+1
Step-by-step explanation:
Sum = X-1+X+X+1= -78
3X=-78
X= -78/3
X= -26
3 consecutive integers are, -27, -26,-25.
smallest integer is -27
Answer:
y=2/9x-14.33
Step-by-step explanation:
y=2/9x- 5
then y=2/9x+b
enter points (6,-13)
-13=12/9+b
-13-12/9=b
-14.33=b
y=2/9x-14.33