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2008 Confidence Interval Detail
207/Schleicher
207-901/Schleicher County ISD

Category Summary

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

Stratum
Variance
A 5,353,660 0.8789 6,091,319 11 334 .015107377
A 5,503,510 0.9153 6,012,794 12 184 .013035955
A 5,388,320 0.9600 5,612,833 13 109 .009021393
A 5,223,590 0.8476 6,162,801 10 56 .013079045
D3 17,429,672 0.9252 18,838,815 16 3,610 .011906476
G1 69,856,570 0.9980 69,996,563 16 317 .000113413
G1 69,149,490 1.0074 68,641,543 15 130 .000628165
G1 71,080,080 1.0371 68,537,345 15 67 .015701230
G1 67,910,120 0.9977 68,066,673 13 20 .000050344
Random Totals: 316,895,012   317,960,686 121 4,827  
Catg J Exception Values: 6,366,521   6,127,595      
Catg D1 Exception Values: 27,276,433   36,072,904      
Total Test Values (4): 350,537,966   360,161,185      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 18,008,059

Confidence Interval Values (5)

State Lower Limit: 342,153,126 (State Test Value minus Margin of Error Percent)
Local Test Value: 350,537,966 (Within Confidence Interval)
State Upper Limit: 378,169,244 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 461,388,782 (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

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