taxes Property Tax

School and Appraisal Districts Property Value Study 2012 Report

2012 Confidence Interval Detail
112/Hopkins
112-908/Como-Pickton ISD

Category Summary

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

Stratum
Variance
A 7,723,170 0.9975 7,742,526 9 182 .008346415
A 7,907,650 1.0167 7,777,761 9 111 .002584525
A 7,689,070 0.9438 8,146,927 9 80 .011739263
A 7,812,960 1.0180 7,674,813 8 53 .004548656
D3 87,356,520 1.0188 85,744,523 17 2,853 .026679157
G1 7,019,438 1.0234 6,858,939 6 13 .021418696
Random Totals: 125,508,808   123,945,489 58 3,292  
Catg J Exception Values: 7,712,759   8,035,916      
Catg D1 Exception Values: 7,289,990   5,295,623      
Catg G1 Exception Values: 1,957,860   1,959,309      
Total Test Values (4): 142,469,417   139,236,337      

Margin of Error

Margin of Error Percent: 5.0000001
Margin of Error Value: 6,961,817

Confidence Interval Values (5)

State Lower Limit: 132,274,520 (State Test Value minus Margin of Error Percent)
Local Test Value: 142,469,417 (Within Confidence Interval)
State Upper Limit: 146,198,154 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 137,572,177 (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