taxes Property Tax

School and Appraisal Districts Property Value Study 2012 Report

2012 Confidence Interval Detail
112/Hopkins
112-905/Cumby ISD

Category Summary

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

Stratum
Variance
A 4,485,780 0.9697 4,625,946 9 120 .002647943
A 4,970,840 0.9539 5,211,070 9 81 .004124054
A 4,509,130 1.0050 4,486,697 9 54 .010490837
A 4,775,700 0.9742 4,902,176 8 40 .004390647
D3 36,176,520 0.9794 36,937,431 15 1,186 .022393487
Random Totals: 54,917,970   56,163,320 50 1,481  
Catg J Exception Values: 5,975,551   6,133,450      
Catg D1 Exception Values: 3,417,310   2,426,262      
Total Test Values (4): 64,310,831   64,723,032      

Margin of Error

Margin of Error Percent: 5.0000006
Margin of Error Value: 3,236,152

Confidence Interval Values (5)

State Lower Limit: 61,486,880 (State Test Value minus Margin of Error Percent)
Local Test Value: 64,310,831 (Within Confidence Interval)
State Upper Limit: 67,959,184 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 58,655,291 (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