Table 5.

Differences in appraised values between two appraisers.

Appraisal method	Pin oak (Quercus palustris)		American elm (Ulmus americana)		Linden (Tilia spp.)		Kentucky coffeetree (Gymnocladus dioica)		European beech (Fagus sylvatica)		European ash (Fraxinus excelsior)
Appraisal method	Avg^{^z}	Range^{^y}	Avg	Range	Avg	Range	Avg	Range	Avg	Range	Avg	Range
CTLA	45	109	42	105	38	95	35	93	46	107	57	125
Helliwell	88	275	107	332	112	349	129	491	112	294	96	252
STEM	15	39	12	33	18	49	28	86	21	61	14	39
Burnley	58	130	50	121	44	120	24	76	57	140	68	153
Norma Granada	33	79	45	103	34	92	33	101	33	71	56	166

↵z Average difference in appraised values between all possible combinations of two appraisers/mean appraised value × 100.
↵y Difference between highest and lowest appraised values by nine individual appraisers for each method/mean appraised value × 100.