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2007 Confidence Interval Detail
206/San Saba
206-902/Richland Springs ISD

Category Summary

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

Stratum
Variance
A 1,102,403 0.8500 1,296,945 6 71 .048859784
A 1,116,874 0.9778 1,142,232 6 43 .006203100
A 1,093,579 1.0148 1,077,630 6 27 .010361715
A 1,076,366 0.9997 1,076,689 5 16 .002458916
D3 24,120,930 1.0144 23,778,519 21 2,349 .009725861
Random Totals: 28,510,152   28,372,015 44 2,506  
Catg J Exception Values: 1,739,680   1,738,987      
Catg D1 Exception Values: 16,125,460   17,143,448      
Total Test Values (4): 46,375,292   47,254,450      

Margin of Error

Margin of Error Percent: 5.0000011
Margin of Error Value: 2,362,723

Confidence Interval Values (5)

State Lower Limit: 44,891,727 (State Test Value minus Margin of Error Percent)
Local Test Value: 46,375,292 (Within Confidence Interval)
State Upper Limit: 49,617,173 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 46,871,990 (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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