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2011 Confidence Interval Detail
065/Donley
065-902/Hedley ISD

Category Summary

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

Stratum
Variance
A 916,865 0.9350 980,604 13 83 .028494026
A 950,630 0.8426 1,128,210 12 41 .084173020
A 932,507 0.9140 1,020,248 11 20 .044942610
A 861,503 1.0180 846,270 7 12 .007530123
D3 6,735,557 0.8244 8,170,254 23 790 .018912455
L1 267,609 1.1465 233,414 10 21 .012532740
Random Totals: 10,664,671   12,379,000 76 967  
Catg J Exception Values: 718,595   807,701      
Catg D1 Exception Values: 7,703,605   8,324,085      
Catg L1 Exception Values: 1,451,492   1,621,141      
Total Test Values (4): 20,538,363   23,131,927      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 1,156,596

Confidence Interval Values (5)

Local Test Value: 20,538,363 (Outside Confidence Interval)
State Lower Limit: 21,975,331 (State Test Value minus Margin of Error Percent)
State Upper Limit: 24,288,523 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 31,710,263 (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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