taxes Property Tax Assistance

2022 Confidence Interval Detail

Gray County
090-903/McLean ISD

Category Summary

(1)
Category 		(1)
Local
Value 		(1)
Stratum
Ratio 		(1)
State
Value 		(2)
Sample
Size 		(3)
Total
Parcels
Stratum
Variance
A 3,794,960 0.7036 5,393,633 15 189 0.103347252
A 3,971,290 0.8999 4,413,035 15 82 0.044102013
A 4,220,070 1.0248 4,117,945 15 53 0.065632988
A 3,875,070 1.0800 3,588,028 15 26 0.037992341
E 14,375,600 0.7727 18,604,374 20 167 0.359330653
G1 8,174,855 0.9279 8,810,060 15 196 0.032089852
G1 8,233,497 1.1291 7,292,088 15 84 0.082000038
G1 8,220,236 1.0779 7,626,158 15 51 0.013350763
G1 7,984,958 0.9512 8,394,615 14 22 0.027925692
Random Totals: 62,850,536 68,239,936 139 870
CATG D1 EXCEPTION VALUES: 6,785,482 5,917,268
CATG J EXCEPTION VALUES: 330,840 342,424
Total Test Values 69,966,858 74,499,628

Margin of Error

Margin of Error Percent: 6.5787184
Margin of Error Value: 4,901,121

Confidence Interval Values(5)

Local Test Value: 69,966,858 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 69,598,507 (State Test Value minus Margin of Error Percent)
State Upper Limit: 79,400,749 (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