Data:
15 16 14 15 19 17
n=6 points
sum is 96
mean is 96/6 = 16
Now we look at the absolute deviations, each of which is the absolute value of a score minus the mean, basically the distance of the score to the mean .
Scores 15 16 14 15 19 17
AbsDev 1 0 2 1 3 1
The sum of the absolute deviations is 8 and there are six of them so the
Mean Absolute Deviation = 8/6 = 4/3
Answer: 2. 8/6
Answer:
it has one solution
Step-by-step explanation:
1.y=x-3
2. 3y-3x sub x-3 in place of y therefore
it can also be written as 3x-3x-9=9
if you add 9 to both sides 3x-3x-9+9=-9+9
0+0=0
Answer:
Step-by-step explanation:
Answer:
infinitely many solutions
Step-by-step explanation:
-8T- 20 = 4(-2T -5)
Distribute the 4
-8T- 20 = (-8T -20)
Add 8T to each side
-8T+8T- 20 = (-8T+8T -20)
-20 = -20
Since this is a true statement, there are infinitely many solutions
