Holiday Hours
Quick Start for:

2011 Confidence Interval Detail
133/Kerr
130-902/Comfort ISD

Category Summary

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

Stratum
Variance
A 5,426,683 0.9143 5,935,342 11 82 .044397683
A 5,669,000 0.9348 6,064,399 11 40 .030947369
A 10,870,406 0.9670 11,241,371 11 23 .013016974
D3 113,084,675 0.9632 117,405,186 17 2,059 .011933000
Random Totals: 135,050,764   140,646,298 50 2,204  
Catg D1 Exception Values: 4,673,160   5,474,451      
Total Test Values (4): 139,723,924   146,120,749      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 7,306,037

Confidence Interval Values (5)

State Lower Limit: 138,814,712 (State Test Value minus Margin of Error Percent)
Local Test Value: 139,723,924 (Within Confidence Interval)
State Upper Limit: 153,426,786 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 144,736,396 (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

Required Plug-ins