taxes Property Tax Assistance

2021 Confidence Interval Detail

Jeff Davis County
122-902/Valentine ISD

Category Summary

(1)
Category 		(1)
Local
Value 		(1)
Stratum
Ratio 		(1)
State
Value 		(2)
Sample
Size 		(3)
Total
Parcels
Stratum
Variance
A 1,269,300 0.6197 2,048,249 15 52 0.141982163
A 1,342,480 0.8742 1,535,667 13 17 0.026961329
C1 1,615,070 0.7829 2,062,933 15 781 0.024532004
C1 29,280 0.7129 41,072 12 14 0.004275879
C1 854,850 0.6575 1,300,152 15 298 0.055429139
C1 788,500 0.7135 1,105,116 15 115 0.312277956
E 11,354,200 0.7789 14,577,224 20 274 0.384724836
Random Totals: 17,253,680 22,670,413 105 1,551
CATG A EXCEPTION VALUES: 2,397,410 2,474,912
CATG D1 EXCEPTION VALUES: 9,037,650 7,690,306
CATG J EXCEPTION VALUES: 23,551,360 24,581,462
Total Test Values 52,240,100 57,417,093

Margin of Error

Margin of Error Percent: 6.7869752
Margin of Error Value: 3,896,884

Confidence Interval Values(5)

Local Test Value: 52,240,100 OUTSIDE CONFIDENCE INTERVAL
State Lower Limit: 53,520,209 (State Test Value minus Margin of Error Percent)
State Upper Limit: 61,313,977 (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