taxes Property Tax Assistance

2022 Confidence Interval Detail

Grayson County
091-918/Tom Bean ISD

Category Summary

(1)
Category 		(1)
Local
Value 		(1)
Stratum
Ratio 		(1)
State
Value 		(2)
Sample
Size 		(3)
Total
Parcels
Stratum
Variance
A 43,467,134 0.9467 45,914,370 10 324 0.006725053
A 57,420,099 1.0116 56,761,664 10 280 0.004745018
A 76,918,838 0.9783 78,625,001 10 272 0.017831365
A 164,713,993 1.0401 158,363,612 10 382 0.007976119
E 160,467,635 1.0585 151,599,088 12 600 0.051506304
Random Totals: 502,987,699 491,263,735 52 1,858
CATG D1 EXCEPTION VALUES: 2,075,924 1,666,122
Total Test Values 505,063,623 492,929,857

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 24,646,493

Confidence Interval Values(5)

Local Test Value: 505,063,623 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 468,283,364 (State Test Value minus Margin of Error Percent)
State Upper Limit: 517,576,350 (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