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2011 Confidence Interval Detail
110/Hockley
110-907/Sundown ISD

Category Summary

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

Stratum
Variance
A 5,710,190 0.9968 5,728,521 10 184 .016572678
A 6,350,630 0.9782 6,492,159 10 103 .010754758
A 5,774,970 0.9206 6,273,050 10 67 .005448494
A 5,764,160 0.9740 5,918,029 10 43 .008918550
G1 233,199,700 0.9956 234,230,313 6 14 .003098555
G1 208,084,033 0.9840 211,467,513 3 4 .002754540
Random Totals: 464,883,683   470,109,585 49 415  
Catg D1 Exception Values: 5,676,049   6,659,586      
Catg G1 Exception Values: 710,528,899   716,082,386      
Total Test Values (4): 1,181,088,631   1,192,851,557      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 59,642,578

Confidence Interval Values (5)

State Lower Limit: 1,133,208,979 (State Test Value minus Margin of Error Percent)
Local Test Value: 1,181,088,631 (Within Confidence Interval)
State Upper Limit: 1,252,494,135 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 1,543,372,906 (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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