taxes Property Tax

School and Appraisal Districts Property Value Study 2015 Report

2015 Confidence Interval Detail
212/Smith
212-905/Tyler ISD

Category Summary

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

Stratum
Variance
A 974,662,431 0.9362 1,041,083,562 100 12,211 .014415662
A 1,012,017,961 0.9808 1,031,829,079 100 7,206 .007145661
A 1,080,717,966 0.9985 1,082,341,478 98 4,979 .005003907
A 1,111,844,125 0.9849 1,128,890,370 100 2,428 .004882305
B 116,299,634 0.9932 117,095,886 11 885 .006931283
B 115,978,190 1.0126 114,535,048 9 86 .000759539
B 97,724,230 0.9743 100,301,991 6 14 .001963513
B 164,142,530 1.0315 159,129,937 4 10 .001601017
E 306,912,504 0.9461 324,397,531 12 2,857 .009297952
F1 472,769,303 0.9682 488,297,152 24 1,391 .007729468
F1 456,881,619 0.9678 472,082,681 10 370 .012305594
F1 495,282,468 1.0458 473,591,956 9 150 .027509097
F1 494,548,699 1.0048 492,186,205 8 48 .002322059
L1 184,091,965 1.0077 182,685,288 10 1,270 .020826576
L1 198,388,458 0.9576 207,172,575 10 262 .059697973
L1 206,372,634 1.0122 203,885,234 9 87 .007289708
L1 162,569,937 1.0324 157,467,975 6 15 .007686366
Random Totals: 7,651,204,654   7,776,973,948 526 34,269  
Catg D1 Exception Values: 9,604,609   7,661,552      
Total Test Values (4): 7,660,809,263   7,784,635,500      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 389,231,775

Confidence Interval Values (5)

State Lower Limit: 7,395,403,725 (State Test Value minus Margin of Error Percent)
Local Test Value: 7,660,809,263 (Within Confidence Interval)
State Upper Limit: 8,173,867,275 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 7,843,721,058 (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