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2011 Confidence Interval Detail
142/La Salle
142-901/Cotulla ISD

Category Summary

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

Stratum
Variance
A 14,556,044 0.9010 16,155,432 10 685 .131230080
A 14,366,275 0.8933 16,082,251 10 356 .014549020
A 14,399,301 1.0147 14,190,698 10 221 .029378005
A 14,588,816 1.0329 14,124,132 10 120 .045745555
D3 37,338,732 1.0299 36,254,716 15 5,040 .048536414
G1 108,525,507 0.9858 110,088,767 10 214 .002188486
G1 107,286,705 0.9840 109,031,204 8 30 .002247690
G1 109,200,396 1.0383 105,172,297 6 18 .003631099
G1 106,016,754 1.0371 102,224,235 5 11 .000917783
L1 1,728,557 0.8955 1,930,270 6 23 .025292170
L1 1,834,016 1.0242 1,790,682 5 11 .002771527
L1 1,848,199 0.9952 1,857,113 3 6 .003004624
Random Totals: 531,689,302   528,901,797 98 6,735  
Catg J Exception Values: 43,520,511   44,241,771      
Catg D1 Exception Values: 50,420,871   71,323,709      
Catg L1 Exception Values: 7,375,063   6,421,618      
Total Test Values (4): 633,005,747   650,888,895      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 32,544,445

Confidence Interval Values (5)

State Lower Limit: 618,344,450 (State Test Value minus Margin of Error Percent)
Local Test Value: 633,005,747 (Within Confidence Interval)
State Upper Limit: 683,433,340 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 878,666,691 (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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