taxes Property Tax Assistance

2018 Confidence Interval Detail

091/Grayson
091-913/Pottsboro ISD

Category Summary

(1)
Category 		(1)
Local
Value 		(1)
Stratum
Ratio 		(1)
State
Value 		(2)
Sample
Size 		(3)
Total
Parcels
Stratum
Variance
A 150,313,131 0.9394 160,009,720 68 1541 0.032345985
A 155,673,710 0.9553 162,957,929 37 863 0.030114426
A 187,477,200 0.9667 193,935,244 33 684 0.002954130
A 184,718,163 0.9807 188,353,383 16 371 0.003563245
E 109,428,410 0.9824 111,388,854 10 671 0.006422234
F1 20,898,035 0.7670 27,246,460 9 121 0.119184933
F1 19,578,688 0.8335 23,489,728 8 32 0.054876768
F1 20,732,417 1.0060 20,608,764 5 10 0.160595268
F1 17,312,658 1.0117 17,112,442 2 3 0.000104735
Random Totals: 866,132,412 905,102,524 188 4,296
CATG D1 EXCEPTION VALUES: 2,130,661 1,389,161
Total Test Values(1) 868,263,073 906,491,685

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 45,324,584

Confidence Interval Values(5)

Local Test Value: 868,263,073 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 861,167,101 (State Test Value minus Margin of Error Percent)
State Upper Limit: 951,816,269 (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