taxes Property Tax

School and Appraisal Districts Property Value Study 2013 Report

2013 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 927,660,890 0.9296 997,914,038 67 12,158 .024953628
A 954,689,344 0.9810 973,179,759 80 7,091 .010421072
A 976,203,841 0.9626 1,014,132,392 71 4,680 .012574602
A 991,991,216 1.0008 991,198,257 61 2,252 .005640771
B 106,551,225 0.9679 110,084,952 19 857 .007480551
B 97,524,767 0.9074 107,477,151 9 70 .057869138
B 113,807,840 0.9479 120,063,129 6 18 .036213673
B 98,992,700 0.9941 99,580,223 4 7 .003180531
E 293,566,088 0.9490 309,342,558 15 2,815 .094815075
F1 434,056,823 0.9800 442,915,126 30 1,370 .058737946
F1 427,132,452 0.8669 492,712,484 14 373 .036386839
F1 436,185,106 0.9562 456,165,139 9 146 .027333817
F1 460,519,835 0.9823 468,817,912 8 48 .002589343
L1 185,433,824 1.0318 179,718,767 10 1,329 .005133028
L1 173,595,766 1.0015 173,335,762 10 250 .000248244
L1 214,790,139 0.9911 216,718,938 9 89 .005144946
L1 169,751,988 0.9855 172,249,607 6 12 .007850405
Random Totals: 7,062,453,844   7,325,606,194 428 33,565  
Catg D1 Exception Values: 9,420,179   6,664,366      
Total Test Values (4): 7,071,874,023   7,332,270,560      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 366,613,528

Confidence Interval Values (5)

State Lower Limit: 6,965,657,032 (State Test Value minus Margin of Error Percent)
Local Test Value: 7,071,874,023 (Within Confidence Interval)
State Upper Limit: 7,698,884,088 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 7,502,314,633 (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