taxes Property Tax Assistance

2018 Confidence Interval Detail

091/Grayson
091-909/Whitesboro ISD

Category Summary

(1)
Category 		(1)
Local
Value 		(1)
Stratum
Ratio 		(1)
State
Value 		(2)
Sample
Size 		(3)
Total
Parcels
Stratum
Variance
A 82,682,887 1.0524 78,566,027 26 1250 0.043136826
A 95,146,443 0.9759 97,496,099 31 815 0.012795888
A 104,232,513 0.9834 105,991,980 27 542 0.003793880
A 108,686,999 1.0140 107,186,390 15 278 0.004007954
C1 10,604,471 0.9294 11,410,018 8 400 0.038251320
C1 13,533,581 0.9173 14,753,713 6 282 0.254097011
C1 15,677,547 0.9958 15,743,670 6 193 0.001816722
C1 17,148,607 0.9113 18,817,741 6 97 0.017063452
E 162,073,979 1.0159 159,537,335 18 1048 0.006928218
F1 19,530,553 0.8966 21,782,905 17 121 0.037953923
F1 16,495,456 0.7050 23,397,810 9 31 0.145922574
F1 17,327,809 1.1037 15,699,745 7 17 0.024374964
Random Totals: 663,140,845 670,383,433 176 5,074
CATG D1 EXCEPTION VALUES: 3,994,111 2,695,485
CATG F1 EXCEPTION VALUES: 11,190,485 15,936,689
Total Test Values(2) 678,325,441 689,015,607

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 34,450,780

Confidence Interval Values(5)

Local Test Value: 678,325,441 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 654,564,827 (State Test Value minus Margin of Error Percent)
State Upper Limit: 723,466,387 (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