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2011 Confidence Interval Detail
047/Comanche
047-901/Comanche ISD

Category Summary

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

Stratum
Variance
A 27,195,146 0.9839 27,640,152 11 888 .036920928
A 27,469,410 0.9584 28,661,738 15 423 .048516188
A 26,455,040 0.9781 27,047,378 14 276 .011591058
A 23,252,540 0.9507 24,458,336 15 148 .010067920
D3 77,653,393 1.0376 74,839,430 30 4,136 .025531732
F1 7,281,710 0.9788 7,439,426 9 152 .014556054
F1 7,111,030 0.8387 8,478,634 9 64 .168495874
F1 7,348,480 0.9058 8,112,696 7 27 .041028838
F1 7,427,110 0.9933 7,477,207 4 8 .008961333
L1 3,831,120 0.9987 3,836,107 10 80 .007106130
L1 3,950,290 0.9748 4,052,411 10 22 .009271018
L1 3,140,750 0.9830 3,195,066 5 7 .002358480
L1 8,514,250 0.9961 8,547,586 3 6 .001384254
Random Totals: 230,630,269   233,786,167 142 6,237  
Catg J Exception Values: 148,860   332,245      
Catg D1 Exception Values: 18,661,184   18,163,020      
Total Test Values (4): 249,440,313   252,281,432      

Margin of Error

Margin of Error Percent: 5.0000002
Margin of Error Value: 12,614,072

Confidence Interval Values (5)

State Lower Limit: 239,667,360 (State Test Value minus Margin of Error Percent)
Local Test Value: 249,440,313 (Within Confidence Interval)
State Upper Limit: 264,895,504 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 261,032,730 (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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