taxes Property Tax Assistance

2025 Confidence Interval Detail

Gray County
090-903/McLean ISD

Category Summary

(1)
Category 		(1)
Stratum
Number 		(1)
Local
Value 		(1)
Stratum
Ratio 		(1)
State
Value 		(2)
Sample
Size 		(3)
Total
Parcels
Stratum
Variance
A 2 5,117,270 0.6337 8,075,225 15 224 178,926,368
A 3 3,714,400 0.8911 4,168,331 15 76 479,508,513
A 4 5,829,270 1.1100 5,251,595 15 71 420,172,685
A 5 6,296,480 1.1414 5,516,453 15 38 4,610,952,623
E 0 13,678,740 0.8905 15,360,741 20 163 7,543,886,977
G1 2 5,782,230 0.7981 7,244,994 14 193 729,918,570
G1 3 5,795,660 1.0096 5,740,551 13 81 1,417,029,308
G1 4 5,856,200 1.0944 5,351,060 11 32 5,031,788,580
G1 5 5,691,540 1.0549 5,395,336 5 7 3,395,425,668,896
Random Totals: 57,761,790 62,104,286 123 885
CATG D1 EXCEPTION VALUES: 6,592,880 5,408,811
CATG J EXCEPTION VALUES: 381,980 380,285
Total Test Values 64,736,650 67,893,382

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 3,394,669

Confidence Interval Values(5)

Local Test Value: 64,736,650 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 64,498,713 (State Test Value minus Margin of Error Percent)
State Upper Limit: 71,288,051 (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