Answer:
5
Step-by-step explanation:
I think the mean of variable a is 4
Answer: 5x 5y
Step-by-step explanation: because of the length
Answer:
C
Step-by-step explanation:
Is is a one-tailed test
P(z < 2.45) = 0.9929
1 - 0.9929 = 0.0071
Significant at both 0.05 and 0.01 because both are greater than 0.0071
D' = (-2, 0) = 2*(-1, 0) = 2*D
The scale factor is 2.