taxes Property Tax Assistance

2016 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 9,553,551 0.9787 9,761,470 9 127 .013506460
A 10,742,515 1.0597 10,137,317 9 92 .004576104
A 16,435,419 0.9985 16,460,109 11 104 .001432446
A 17,741,151 0.9895 17,929,410 8 61 .005587585
D2 5,442,170 1.0430 5,217,804 14 168 .002631577
E 27,757,767 1.0371 26,764,793 14 193 .013545282
F1 3,843,457 0.8469 4,538,265 8 34 .024374984
Random Totals: 91,516,030   90,809,168 73 779  
Catg D1 Exception Values: 1,916,125   1,675,714      
Catg F1 Exception Values: 1,172,794   1,354,395      
Total Test Values (4): 94,604,949   93,839,277      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 4,691,963

Confidence Interval Values (5)

State Lower Limit: 89,147,314 (State Test Value minus Margin of Error Percent)
Local Test Value: 94,604,949 (Within Confidence Interval)
State Upper Limit: 98,531,240 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 87,708,817 (See ISD Summary Worksheet)

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, D3, F1, G1, G2, or L1 marked as exception properties
(5) Unstudied categories and sub-categories were not included in the Confidence Interval Values
(6) Includes local value of unstudied property categories and sub-categories