taxes Property Tax

School and Appraisal Districts Property Value Study 2013 Report

2013 Confidence Interval Detail
102/Harrison
102-903/Waskom ISD

Category Summary

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

Stratum
Variance
A 16,742,070 0.9991 16,757,151 10 371 .028327952
A 14,989,110 1.0237 14,642,092 10 172 .024646481
A 16,394,210 1.0277 15,952,330 10 129 .011769003
A 17,787,990 0.9249 19,232,339 10 86 .011951947
E 61,738,860 0.9160 67,400,502 15 1,281 .038930302
G1 26,158,651 0.9620 27,191,945 9 112 .090981227
G1 26,114,406 1.0355 25,219,127 9 40 .036425337
G1 28,451,270 1.0379 27,412,342 6 17 .013044730
G1 23,563,526 1.0259 22,968,638 4 6 .076992865
Random Totals: 231,940,093   236,776,466 83 2,214  
Catg J Exception Values: 4,815,810   4,646,998      
Catg D1 Exception Values: 2,853,850   2,894,298      
Total Test Values (4): 239,609,753   244,317,762      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 12,215,888

Confidence Interval Values (5)

State Lower Limit: 232,101,874 (State Test Value minus Margin of Error Percent)
Local Test Value: 239,609,753 (Within Confidence Interval)
State Upper Limit: 256,533,650 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 499,546,812 (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