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2010 Confidence Interval Detail
018/Bosque
018-901/Clifton ISD

Category Summary

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

Stratum
Variance
A 45,643,150 0.9378 48,670,452 22 903 .008709816
A 45,057,350 1.0121 44,518,674 20 508 .050336835
A 45,178,700 0.9493 47,591,594 15 335 .005302139
A 46,290,570 1.0047 46,074,022 14 197 .002361980
D3 75,379,830 0.9633 78,251,666 29 2,256 .044766901
F1 7,125,670 0.9782 7,284,471 10 119 .003584585
F1 7,776,070 0.9792 7,941,248 9 52 .012935852
F1 7,444,390 0.9803 7,593,992 9 22 .002179507
F1 7,046,050 0.9948 7,082,881 5 6 .001673608
Random Totals: 286,941,780   295,009,000 133 4,398  
Catg J Exception Values: 26,273,881   25,900,165      
Catg D1 Exception Values: 9,687,200   9,160,242      
Total Test Values (4): 322,902,861   330,069,407      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 16,503,470

Confidence Interval Values (5)

State Lower Limit: 313,565,937 (State Test Value minus Margin of Error Percent)
Local Test Value: 322,902,861 (Within Confidence Interval)
State Upper Limit: 346,572,877 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 464,888,532 (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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