Table 2. Purchase decision and multiple comparison LSD difference test for different ages.

Age	Mean value	Standard error	Mean difference
V1 = age under 30	2.863	0.6597
V2 = age between 30–40	3.035	0.9021
V3 = age between 41–50	3.102	0.748
V4 = age over 50	3.107	1.1157
V1-V2			-0.1716
V1-V3			-0.2388
V1-V4			-0.2439
V2-V3			-0.0672
V2-V4			-0.0723
V3-V4			-0.0051

*The mean difference is significant at the 0.05 level

**the mean difference is significant at the 0.01 level.