taxes Property Tax Assistance

2017 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 1,420,372 1.0548 1,346,579 7 19 .007292996
A 1,821,491 1.0236 1,779,495 6 15 .001086070
A 1,966,976 1.1383 1,727,994 5 10 .005412711
E 5,078,510 1.0745 4,726,394 11 49 .009067401
L1 497,730 1.0326 482,016 6 17 .001273946
Random Totals: 10,785,079   10,062,478 35 110  
Catg J Exception Values: 1,394,970   1,329,359      
Catg D1 Exception Values: 6,247,816   3,460,773      
Catg A Exception Values: 1,390,406   1,242,539      
Catg F1 Exception Values: 2,158,637   2,089,862      
Catg L1 Exception Values: 746,628   746,568      
Total Test Values (4): 22,723,536   18,931,579      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 946,578

Confidence Interval Values (5)

State Lower Limit: 17,985,001 (State Test Value minus Margin of Error Percent)
State Upper Limit: 19,878,157 (State Test Value plus Margin of Error Percent)
Local Test Value: 22,723,536 (Outside Confidence Interval)
Value Assigned (6): 24,209,826 (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, D2, E, 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