1. ThefollowingdataarefromanA(2)x B(4)factorialdesign.

	Bl	B2	B3	B4
Al	1	2	3	4
	3	2	4	5
	4	4	2	6
	5	5	6	8
A2	1	2	4	8
	1	3	6	9
	2	2	7	9
	2	4	8	8

1. Computeananalysisofvariance.
2. TestdifferencesamongthefourlevelsofBusingtheBonferronicorrection.
3. TestthelinearcomponentoftrendfortheeffectofB.

1. Plottheinteraction.
2. Describetheinteractioninwords.