Answer:
C
Step-by-step explanation:
I think that would be c not completely sure but I hope it helps
35 minutes yes tag it’s let me know if I’m wrong
Answer x= 18 y=-39
Step-by-step explanation:
Answer:
0.74 to 6.06
Step-by-step explanation:
The groups are independnet,
SE(xh bar-xa bar)=sqrt [sh^2/nh+sa^2/na]=sqrt [10.1^2/80+10.3^2/80]=1.61
At df=157, the t critical is 1.65
90%c.i=(xh bar-xa bar)+-tcritical SE(xh bar-xa bar)
=(25.2-21.8)+-1.65*1.61
=0.74 to 6.06
