taxes Property Tax Assistance

2017 Confidence Interval Detail

086/Gillespie
086-902/Harper ISD

Category Summary

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

Stratum
Variance
A 9,074,420 1.0213 8,885,166 9 117 .036949536
A 12,782,760 1.0627 12,028,569 9 104 .026838374
A 13,587,520 1.0490 12,952,831 9 74 .033421748
A 16,556,190 1.1021 15,022,403 8 51 .021527933
E 288,547,980 1.0358 278,574,995 30 1,667 .019096366
Random Totals: 340,548,870   327,463,964 65 2,013  
Catg J Exception Values: 489,000   488,284      
Catg D1 Exception Values: 9,448,848   10,999,344      
Total Test Values (4): 350,486,718   338,951,592      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 16,947,579

Confidence Interval Values (5)

State Lower Limit: 322,004,013 (State Test Value minus Margin of Error Percent)
Local Test Value: 350,486,718 (Within Confidence Interval)
State Upper Limit: 355,899,171 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 328,320,288 (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