Question

In each of the following problems, the results from a multiple comparison procedure are shown graphically. Use each illustration to identify all pairs of population means that are significantly different. No work is required.

a)

x̄2.	x̄4.	x̄1.	x̄3.
-1.46	0.94	3.92	5.11
______	___	___	______

b)

x̄5.	x̄3.	x̄2.	x̄4.	x̄1.
-15.24	-4.12	1.97	3.08	15.57
	______	______	______
			______	______

Answer 1

Answer:

In each of the following problems, the results from a multiple comparison procedure are shown graphically. Use each illustration to identify all pairs of population means that are significantly different. No work is required.

a)

x̄2.	x̄4.	x̄1.	x̄3.
-1.46	0.94	3.92	5.11
______	___	___	______

Significant pairs:

x2 and x1

x2 and x3

x4 and x1

x4 and x3

b)

x̄5.	x̄3.	x̄2.	x̄4.	x̄1.
-15.24	-4.12	1.97	3.08	15.57
	______	______	______
			______	______

Significant pairs:

x5 with x3 , x5 with x2 ,   x5 with x4 ,   x5 with x1 ,

x1 with x3,   x1 with x2