taxes Property Tax

School and Appraisal Districts Property Value Study 2014 Report

2014 Confidence Interval Detail
252/Young
252-901/Graham ISD

Category Summary

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

Stratum
Variance
A 80,026,850 0.8665 92,356,434 18 1,763 .055191656
A 78,954,990 0.9258 85,282,988 16 926 .022764015
A 85,844,600 0.8757 98,029,691 30 643 .026218597
A 105,899,550 0.9511 111,344,286 17 427 .019296852
E 61,418,024 0.7446 82,484,588 11 1,073 .098483100
F1 19,711,550 0.8216 23,991,663 10 259 .028697905
F1 20,442,770 0.8703 23,489,337 8 92 .012526514
F1 22,529,230 0.9262 24,324,368 7 31 .065889664
F1 17,323,510 0.8797 19,692,520 2 5 .000347662
G1 24,506,170 1.0069 24,338,236 10 230 .038987547
G1 24,361,770 0.9615 25,337,254 10 76 .035547090
G1 24,401,690 1.0911 22,364,302 8 25 .070599343
G1 24,092,050 1.0125 23,794,617 4 7 .018005230
L1 13,807,590 1.0035 13,759,432 9 181 .000281802
L1 11,415,390 1.0192 11,200,343 8 36 .005521258
L1 13,023,980 1.0011 13,009,669 4 9 .000678290
L1 8,533,200 1.0010 8,524,675 2 2 .000001104
Random Totals: 636,292,914   703,324,403 174 5,785  
Catg J Exception Values: 37,127,320   37,726,343      
Catg D1 Exception Values: 26,348,710   21,986,971      
Catg G1 Exception Values: 43,071,280   42,184,972      
Total Test Values (4): 742,840,224   805,222,689      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 40,261,134

Confidence Interval Values (5)

Local Test Value: 742,840,224 (Outside Confidence Interval)
State Lower Limit: 764,961,555 (State Test Value minus Margin of Error Percent)
State Upper Limit: 845,483,823 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 802,405,553 (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