Holiday Hours
Quick Start for:

2009 Confidence Interval Detail
005/Archer
005-904/Windthorst ISD

Category Summary

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

Stratum
Variance
A 4,739,315 0.9904 4,785,253 9 84 .003505788
A 4,874,600 0.9165 5,318,712 8 52 .005482013
A 4,807,850 0.9378 5,126,733 8 35 .003568543
A 5,116,570 0.9982 5,125,796 7 23 .001248542
D3 18,355,630 0.9975 18,401,634 20 722 .028081708
G1 2,992,430 0.9058 3,303,632 6 27 .100234465
Random Totals: 40,886,395   42,061,760 58 943  
Catg D1 Exception Values: 4,850,090   4,370,713      
Catg G1 Exception Values: 786,910   733,754      
Total Test Values (4): 46,523,395   47,166,227      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 2,358,311

Confidence Interval Values (5)

State Lower Limit: 44,807,916 (State Test Value minus Margin of Error Percent)
Local Test Value: 46,523,395 (Within Confidence Interval)
State Upper Limit: 49,524,538 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 49,999,737 (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