taxes Property Tax Assistance

2018 Confidence Interval Detail

091/Grayson
091-907/Tioga ISD

Category Summary

(1)
Category
(1)
Local
Value
(1)
Stratum
Ratio
(1)
State
Value
(2)
Sample
Size
(3)
Total
Parcels

Stratum
Variance
A 14,819,637 0.8567 17,298,514 9 148 0.037679866
A 16,242,173 0.9303 17,459,070 10 105 0.010177721
A 21,807,198 0.9423 23,142,521 9 105 0.004495497
A 17,763,300 0.9673 18,363,796 8 46 0.007595961
E 33,642,984 1.0064 33,429,038 10 193 0.001439814
Random Totals: 104,275,292 109,692,939 46 597
CATG D1 EXCEPTION VALUES: 1,839,792 1,394,810
Total Test Values(1) 106,115,084 111,087,749

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 5,554,387

Confidence Interval Values(5)

Local Test Value: 106,115,084 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 105,533,362 (State Test Value minus Margin of Error Percent)
State Upper Limit: 116,642,136 (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