Quick Start for:

2009 Confidence Interval Detail
090/Gray
090-902/Lefors ISD

Category Summary

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

Stratum
Variance
A 1,436,161 0.9132 1,572,669 8 119 .016825752
A 1,413,999 0.9712 1,455,930 6 58 .009426961
A 1,423,568 0.8019 1,775,244 7 38 .194573405
A 1,422,087 0.8589 1,655,707 5 25 .009046005
G1 30,626,616 1.0963 27,936,346 10 76 .030799221
G1 31,530,079 1.0669 29,552,984 8 25 .013324068
G1 32,893,690 1.0252 32,085,144 6 11 .008990403
G1 26,880,158 1.0000 26,880,158 2 3 .000820045
Random Totals: 127,626,358   122,914,182 52 355  
Catg J Exception Values: 1,718,703   1,584,388      
Catg D1 Exception Values: 2,172,630   3,946,502      
Total Test Values (4): 131,517,691   128,445,072      

Margin of Error

Margin of Error Percent: 5.0000003
Margin of Error Value: 6,422,254

Confidence Interval Values (5)

State Lower Limit: 122,022,818 (State Test Value minus Margin of Error Percent)
Local Test Value: 131,517,691 (Within Confidence Interval)
State Upper Limit: 134,867,326 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 156,269,371 (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