Answer:
I
Step-by-step explanation:
Because independent sample t-tests compare two completely different groups in a sample, which is what the researcher is attempting to do.
Answer:
209.25
Step-by-step explanation:
i dont really know what to put for work since i did it on my calculator
X + 4 y = 19
y = - 2 x - 4
------------------
x + 4 * ( - 2 x - 4 ) = 19
x - 8 x - 16 = 19
- 7 x = 29 + 16
- 7 x = 35
x = 35 : ( - 7 )
x = - 5
y = 10 - 4
y = 6
Answer:
A ) ( - 5 , 6 )
