Answer:
c. the variance of the difference scores is near zero
Step-by-step explanation:
If all the participants show improved performance of 8 or 9 points after treatment, what should the researcher find - the variance of the difference scores is near zero.
But this can be true only when the original scores had a low variance.
Answer:
16
Step-by-step explanation:
Divide 640 by 40.
The resistance is proportional to the length.
You know that 45/9=5
So the ratio (proportionality) is 5.
So, for a 75 ft wire, the resistance is 75/5 = 15 ohms
Answer:
Step-by-step explanation:
(2x-5)(x+6)=0
either 2x-5=0 Or, x+6=0
2x-5=0
2x=0+5
x=5/2
x+6=0
x=0-6
x=-6
so x=5/2 , x=-6
Answer:
Your answer is 12/5
May i get brainliest please. It would be a big Help :D