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2011 Confidence Interval Detail
115/Hudspeth
115-902/Sierra Blanca ISD

Category Summary

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

Stratum
Variance
A 1,352,183 0.9130 1,481,033 11 83 .042459933
A 1,740,696 0.9877 1,762,373 11 58 .095851192
A 1,414,850 0.9692 1,459,812 12 30 .023773547
A 1,596,817 1.0943 1,459,213 11 19 .009723878
C 1,326,324 3.0457 435,474 10 2,168 .896013616
C 1,466,305 15.4650 94,814 12 964 .011026222
C 1,191,789 1.9351 615,880 13 495 1.337018973
C 1,186,918 1.5944 744,429 5 160 .686268378
D3 11,974,067 0.9301 12,873,957 9 1,955 .068401652
Random Totals: 23,249,949   20,926,985 94 5,932  
Catg J Exception Values: 25,829,745   32,255,798      
Catg D1 Exception Values: 989,110   1,352,961      
Total Test Values (4): 50,068,804   54,535,744      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 2,726,787

Confidence Interval Values (5)

Local Test Value: 50,068,804 (Outside Confidence Interval)
State Lower Limit: 51,808,957 (State Test Value minus Margin of Error Percent)
State Upper Limit: 57,262,531 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 80,199,254 (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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