taxes Property Tax Assistance

2018 Confidence Interval Detail

122/Jeff Davis
122-901/Fort Davis ISD

Category Summary

(1)
Category 		(1)
Local
Value 		(1)
Stratum
Ratio 		(1)
State
Value 		(2)
Sample
Size 		(3)
Total
Parcels
Stratum
Variance
A 28,559,890 0.6912 41,319,285 14 400 0.087233661
A 29,575,480 0.9262 31,932,067 15 226 0.053504737
A 28,355,440 0.8998 31,513,047 15 147 0.049086746
A 28,721,270 0.9351 30,714,651 15 90 0.004556524
C1 3,572,730 0.9786 3,650,858 9 142 0.057547026
C1 2,591,430 0.9531 2,718,949 9 62 0.002920507
C1 3,050,980 0.9058 3,368,271 7 45 0.005108197
C1 3,048,830 0.9751 3,126,684 7 22 0.019142004
E 28,517,590 0.9648 29,558,033 17 231 0.027910526
F1 4,171,700 1.0711 3,894,781 10 37 0.042842685
F1 4,181,520 0.8857 4,721,147 8 17 0.115846328
F1 4,817,260 1.0290 4,681,497 7 8 0.007934859
Random Totals: 169,164,120 191,199,270 133 1,427
CATG D1 EXCEPTION VALUES: 14,211,710 15,213,360
CATG F1 EXCEPTION VALUES: 3,254,750 3,177,051
Total Test Values(2) 186,630,580 209,589,681

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 10,479,484

Confidence Interval Values(5)

Local Test Value: 186,630,580 OUTSIDE CONFIDENCE INTERVAL
State Lower Limit: 199,110,197 (State Test Value minus Margin of Error Percent)
State Upper Limit: 220,069,165 (State Test Value plus Margin of Error Percent)

Sources:
(1) See Stratified Category Worksheet Reports PTS236, PTS430
(2) Number of parcels sampled by staff
(3) Total Category Parcels from Stratification Report, Appraisal Roll, or Self-report
(4) Includes any parcels in A, B, C, D2, E, F1, G1, G2, or L1 marked as exception properties
(5) Unstudied categories and sub-categories were not included in the Confidence Interval Values