taxes Property Tax

School and Appraisal Districts Property Value Study 2015 Report

2015 Confidence Interval Detail
221/Taylor
221-904/Merkel ISD

Category Summary

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

Stratum
Variance
A 18,276,602 0.8499 21,504,415 10 626 .062571102
A 19,266,946 0.9270 20,784,192 10 357 .018831649
A 19,722,146 0.9827 20,069,346 11 233 .010429697
A 20,686,393 0.9846 21,009,946 9 138 .001943074
E 36,411,297 0.9347 38,955,063 10 630 .007514710
F1 8,750,851 0.9358 9,351,198 9 99 .037970518
F1 8,465,807 0.9942 8,515,195 7 28 .000247520
F1 6,851,155 0.9772 7,011,006 5 9 .000844933
F1 13,027,683 1.0157 12,826,310 3 7 .000090879
L1 13,784,584 1.2291 11,215,185 9 72 .128408651
L1 18,332,289 0.8976 20,423,673 5 17 .071953216
L1 11,040,152 0.9819 11,243,662 2 5 .010009284
Random Totals: 194,615,905   202,909,191 90 2,221  
Catg J Exception Values: 13,265,000   13,928,823      
Catg D1 Exception Values: 10,159,534   9,987,991      
Total Test Values (4): 218,040,439   226,826,005      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 11,341,300

Confidence Interval Values (5)

State Lower Limit: 215,484,705 (State Test Value minus Margin of Error Percent)
Local Test Value: 218,040,439 (Within Confidence Interval)
State Upper Limit: 238,167,305 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 348,008,807 (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