taxes Property Tax

School and Appraisal Districts Property Value Study 2013 Report

2013 Confidence Interval Detail
101/Harris
101-905/Channelview ISD

Category Summary

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

Stratum
Variance
A 168,052,934 0.8730 192,500,497 27 2,831 .049858032
A 146,613,505 0.9760 150,218,755 27 1,872 .028874289
A 143,604,361 0.9485 151,401,540 33 1,428 .017229885
A 241,857,750 0.9892 244,498,332 47 1,709 .012379786
F1 49,789,908 1.0438 47,700,621 10 276 .001886011
F1 58,207,719 1.0446 55,722,496 9 114 .001158097
F1 57,763,163 1.0770 53,633,392 8 41 .006155411
F1 59,252,591 0.9790 60,523,586 5 13 .009659549
L1 52,595,874 0.9593 54,827,347 10 114 .020291628
L1 93,427,509 0.8954 104,341,645 5 15 .020016513
Random Totals: 1,071,165,314   1,115,368,211 181 8,413  
Catg D1 Exception Values: 41,699   37,526      
Catg L1 Exception Values: 220,986,115   196,108,883      
Total Test Values (4): 1,292,193,128   1,311,514,620      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 65,575,731

Confidence Interval Values (5)

State Lower Limit: 1,245,938,889 (State Test Value minus Margin of Error Percent)
Local Test Value: 1,292,193,128 (Within Confidence Interval)
State Upper Limit: 1,377,090,351 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 2,643,489,960 (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