taxes Property Tax

School and Appraisal Districts Property Value Study 2013 Report

2013 Confidence Interval Detail
102/Harrison
102-901/Karnack ISD

Category Summary

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

Stratum
Variance
A 8,515,320 0.7882 10,803,502 10 191 .025249456
A 11,637,580 0.7716 15,082,400 10 124 .035990238
A 14,618,690 0.8052 18,155,353 9 95 .035617026
A 14,208,250 0.8766 16,208,362 9 57 .020480561
E 94,062,390 0.9190 102,352,982 15 1,723 .134645820
G1 12,682,529 1.0554 12,016,798 8 50 .131388263
G1 13,191,824 1.0668 12,365,789 6 14 .040952646
G1 14,467,148 1.0497 13,782,174 5 9 .036331107
G1 10,318,720 1.0273 10,044,505 2 3 .014001092
Random Totals: 193,702,451   210,811,865 74 2,266  
Catg J Exception Values: 115,410   129,474      
Catg D1 Exception Values: 5,897,420   6,102,758      
Total Test Values (4): 199,715,281   217,044,097      

Margin of Error

Margin of Error Percent: 9.1627399
Margin of Error Value: 19,887,186

Confidence Interval Values (5)

State Lower Limit: 197,156,911 (State Test Value minus Margin of Error Percent)
Local Test Value: 199,715,281 (Within Confidence Interval)
State Upper Limit: 236,931,283 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 218,286,852 (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