taxes Property Tax

School and Appraisal Districts Property Value Study 2013 Report

2013 Confidence Interval Detail
102/Harrison
102-902/Marshall ISD

Category Summary

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

Stratum
Variance
A 151,200,620 0.9764 154,855,203 20 3,073 .010761166
A 151,182,630 0.9831 153,781,538 26 1,562 .006103314
A 146,826,300 0.9881 148,594,575 18 1,000 .006877365
A 157,845,340 0.9946 158,702,333 11 614 .026207932
E 480,243,120 0.9470 507,120,507 39 7,313 .018704290
F1 56,301,240 0.8103 69,481,970 10 429 .054361780
F1 53,717,780 0.7517 71,461,727 9 117 .184988176
F1 53,929,300 1.0049 53,666,335 8 43 .022362888
F1 52,595,740 0.7632 68,914,754 6 14 .278188420
G1 109,277,207 1.0794 101,238,843 11 492 .100033294
G1 108,996,255 0.9816 111,039,380 12 150 .011665382
G1 110,755,588 0.9843 112,522,186 9 49 .018199822
G1 106,768,530 1.0248 104,184,748 7 20 .010234244
L1 28,027,840 0.9500 29,502,989 10 366 .020336923
L1 27,081,520 0.9992 27,103,203 9 88 .009903496
L1 27,187,230 1.0198 26,659,374 7 29 .010812916
L1 43,888,290 1.0066 43,600,527 3 9 .002402374
Random Totals: 1,865,824,530   1,942,430,192 215 15,368  
Catg J Exception Values: 30,106,090   29,413,998      
Catg D1 Exception Values: 13,113,930   13,359,558      
Total Test Values (4): 1,909,044,550   1,985,203,748      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 99,260,187

Confidence Interval Values (5)

State Lower Limit: 1,885,943,561 (State Test Value minus Margin of Error Percent)
Local Test Value: 1,909,044,550 (Within Confidence Interval)
State Upper Limit: 2,084,463,935 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 2,669,961,990 (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