
Pooled Combined Variance 
Test Statistic:



Degrees of freedom = 


The table value is greater than the calculated value.
Thus we accept H0.
Answer:
-12
1
9
13
Step-by-step explanation:
its just the numbers in front of the variables
You need 4 cups of flour, hope this helps!
Answer:
local governments have the most power
Step-by-step explanation:
I hope this is right, but federalism gives more power to the state, so local governments could potentially have more power.