taxes Property Tax Assistance

2020 Confidence Interval Detail

Gray County
033-901/Groom ISD

Category Summary

(1)
Category 		(1)
Local
Value 		(1)
Stratum
Ratio 		(1)
State
Value 		(2)
Sample
Size 		(3)
Total
Parcels
Stratum
Variance
E 3,180,150 1.0188 3,121,466 21 51 0.175072808
G1 225,150 0.9675 232,713 7 17 0.000660828
Random Totals: 3,405,300 3,354,179 28 68
CATG D1 EXCEPTION VALUES: 2,683,900 3,650,344
CATG G1 EXCEPTION VALUES: 79,594 76,447
CATG J EXCEPTION VALUES: 539,490 614,220
Total Test Values 6,708,284 7,695,190

Margin of Error

Margin of Error Percent: 5.8373255
Margin of Error Value: 449,193

Confidence Interval Values(5)

Local Test Value: 6,708,284 OUTSIDE CONFIDENCE INTERVAL
State Lower Limit: 7,245,997 (State Test Value minus Margin of Error Percent)
State Upper Limit: 8,144,383 (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