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2009 Confidence Interval Detail
185/Parmer
185-903/Friona ISD

Category Summary

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

Stratum
Variance
A 14,516,762 0.9343 15,537,581 8 454 .011343872
A 14,264,938 1.0250 13,917,013 8 235 .013530580
A 16,042,581 0.8999 17,827,071 8 188 .009303941
A 15,419,278 0.9194 16,771,022 7 104 .012788588
D3 22,416,293 1.0063 22,275,954 13 1,548 .003571893
L1 3,007,152 0.9718 3,094,414 7 72 .016632993
L1 2,864,093 0.9335 3,068,123 5 20 .025755406
L1 2,008,668 0.9612 2,089,750 4 6 .007198030
Random Totals: 90,539,765   94,580,928 60 2,627  
Catg J Exception Values: 14,972,617   15,374,397      
Catg D1 Exception Values: 54,508,746   45,869,313      
Catg L1 Exception Values: 3,568,290   3,592,581      
Total Test Values (4): 163,589,418   159,417,219      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 7,970,861

Confidence Interval Values (5)

State Lower Limit: 151,446,358 (State Test Value minus Margin of Error Percent)
Local Test Value: 163,589,418 (Within Confidence Interval)
State Upper Limit: 167,388,080 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 303,258,962 (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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