taxes Property Tax

School and Appraisal Districts Property Value Study 2015 Report

2015 Confidence Interval Detail
188/Potter
219-901/Happy ISD

Category Summary

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

Stratum
Variance
A 1,407,633 0.9622 1,462,932 7 22 .010284652
A 1,868,461 0.9425 1,982,452 6 16 .001524676
A 1,897,713 0.9316 2,037,047 4 10 .002472275
E 4,807,708 0.9783 4,914,349 11 43 .001190922
F1 2,132,230 1.0164 2,097,826 3 4 .000020074
L1 213,472 0.9967 214,179 7 15 .000635830
Random Totals: 12,327,217   12,708,785 38 110  
Catg J Exception Values: 1,195,200   1,012,702      
Catg D1 Exception Values: 5,560,690   5,826,055      
Catg A Exception Values: 1,390,406   1,388,995      
Catg L1 Exception Values: 1,070,869   1,044,276      
Total Test Values (4): 21,544,382   21,980,813      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 1,099,040

Confidence Interval Values (5)

State Lower Limit: 20,881,773 (State Test Value minus Margin of Error Percent)
Local Test Value: 21,544,382 (Within Confidence Interval)
State Upper Limit: 23,079,853 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 22,868,066 (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