Answer:
(A).
Step-by-step explanation:
-8+3= -5 -8-(-3)= -5
-5= -5
Hope this helps.
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Answer:
y=1/4x-2
Step-by-step explanation:
formula
y=mx+b
Answer:
Step-by-step explanation:
Group Before After
Mean 80.27 78.27
SD 12.76 12.92
SEM 3.85 3.89
N 11 11
df = 10
standard error of difference = 0.798
The mean of Before minus After equals 2.00
Given a=0.01, |t(0.005, df=10)|=3.17 (check student t table)
So 99% CI is
2±t*s
--> 2±3.17*0.798
--> -0.5 < µd< 4.5
Answer:-0.5 < µd< 4.5
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