taxes Property Tax Assistance

2021 Confidence Interval Detail

Jeff Davis County
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 29,703,780 0.7758 38,287,935 15 424 0.152629693
A 29,653,510 0.7527 39,396,187 15 230 0.129692827
A 29,557,580 0.9463 31,234,894 15 158 0.046772128
A 29,393,620 0.8469 34,707,309 15 95 0.083246246
C1 3,034,510 0.7754 3,913,477 17 130 0.065774562
C1 2,893,640 0.8439 3,428,890 17 72 0.079159441
C1 2,695,500 0.9951 2,708,773 15 41 0.098032807
C1 2,214,150 0.8960 2,471,150 11 19 0.102827172
E 28,423,010 0.7959 35,711,785 21 233 0.063441195
F1 4,094,770 0.9843 4,160,083 11 37 0.000969634
F1 4,393,620 0.9964 4,409,494 8 20 0.002045727
F1 3,475,520 0.9882 3,517,021 6 7 0.001048696
Random Totals: 169,533,210 203,946,998 166 1,466
CATG D1 EXCEPTION VALUES: 16,444,880 14,022,211
CATG F1 EXCEPTION VALUES: 1,011,150 1,000,051
CATG J EXCEPTION VALUES: 13,767,900 14,518,460
Total Test Values 200,757,140 233,487,720

Margin of Error

Margin of Error Percent: 5.2405893
Margin of Error Value: 12,236,132

Confidence Interval Values(5)

Local Test Value: 200,757,140 OUTSIDE CONFIDENCE INTERVAL
State Lower Limit: 221,251,588 (State Test Value minus Margin of Error Percent)
State Upper Limit: 245,723,852 (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