taxes Property Tax

School and Appraisal Districts Property Value Study 2014 Report

2014 Confidence Interval Detail
025/Brown
025-904/Blanket ISD

Category Summary

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

Stratum
Variance
A 1,574,700 0.9518 1,654,444 15 69 .007393952
A 2,013,550 0.9726 2,070,276 15 49 .007545532
A 2,568,780 0.9465 2,713,978 13 41 .018206966
A 3,135,350 0.9778 3,206,535 17 30 .005651015
E 27,120,620 0.9769 27,761,920 14 349 .021439112
Random Totals: 36,413,000   37,407,153 74 538  
Catg J Exception Values: 2,367,460   2,451,857      
Catg D1 Exception Values: 3,424,087   3,331,453      
Total Test Values (4): 42,204,547   43,190,463      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 2,159,523

Confidence Interval Values (5)

State Lower Limit: 41,030,940 (State Test Value minus Margin of Error Percent)
Local Test Value: 42,204,547 (Within Confidence Interval)
State Upper Limit: 45,349,986 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 36,821,741 (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