taxes Property Tax

School and Appraisal Districts Property Value Study 2012 Report

2012 Confidence Interval Detail
190/Rains
190-903/Rains ISD

Category Summary

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

Stratum
Variance
A 59,327,213 0.9858 60,181,794 18 1,361 .038022893
A 60,037,681 0.9761 61,507,715 15 698 .027812708
A 60,104,155 0.9733 61,752,959 11 418 .059270067
A 60,194,582 0.9102 66,133,358 10 229 .028143542
D3 152,753,835 0.9533 160,236,898 25 5,507 .083504481
F1 9,664,488 0.8881 10,882,207 9 122 .016255094
F1 9,469,208 0.9938 9,528,283 8 52 .001860960
F1 9,889,116 0.7751 12,758,503 7 24 .023746779
F1 10,769,872 0.8670 12,421,998 4 7 .043054246
G1 29,765,937 1.0101 29,468,307 5 10 .028884972
Random Totals: 461,976,087   484,872,022 112 8,428  
Catg D1 Exception Values: 12,120,214   8,465,545      
Catg G1 Exception Values: 22,274,761   22,428,653      
Total Test Values (4): 496,371,062   515,766,220      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 25,788,311

Confidence Interval Values (5)

State Lower Limit: 489,977,909 (State Test Value minus Margin of Error Percent)
Local Test Value: 496,371,062 (Within Confidence Interval)
State Upper Limit: 541,554,531 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 491,010,273 (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