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2011 Confidence Interval Detail
054/Crosby
054-901/Crosbyton CISD

Category Summary

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

Stratum
Variance
A 9,864,315 1.0266 9,608,723 16 401 .005504935
A 9,650,431 1.0481 9,207,548 13 212 .051560902
A 9,929,677 1.0087 9,844,034 12 133 .010024844
A 9,609,049 1.0094 9,519,565 11 72 .002790390
D3 6,533,291 0.9629 6,785,015 15 1,627 .008024508
Random Totals: 45,586,763   44,964,885 67 2,445  
Catg D1 Exception Values: 30,580,569   28,311,744      
Total Test Values (4): 76,167,332   73,276,629      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 3,663,831

Confidence Interval Values (5)

State Lower Limit: 69,612,798 (State Test Value minus Margin of Error Percent)
Local Test Value: 76,167,332 (Within Confidence Interval)
State Upper Limit: 76,940,460 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 92,108,462 (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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