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2011 Confidence Interval Detail
188/Potter
188-903/Highland Park ISD

Category Summary

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

Stratum
Variance
A 10,242,497 0.9842 10,406,926 10 272 .000643700
A 10,645,171 0.9430 11,288,622 11 128 .006869440
A 9,621,324 0.9757 9,860,945 10 63 .004061480
A 11,058,013 0.9190 12,032,658 10 35 .006611186
F1 19,889,585 0.9880 20,131,159 8 61 .020720912
F1 21,641,187 0.8799 24,595,053 10 23 .145095514
F1 21,400,511 1.0003 21,394,093 6 9 .004044155
G1 8,091,930 0.9612 8,418,571 7 28 .007786810
G1 8,235,350 0.9853 8,358,216 5 9 .034506427
G1 7,022,600 1.0011 7,014,884 2 3 .035497992
L1 38,163,767 1.0068 37,906,006 10 110 .006325646
L1 40,471,958 1.0015 40,411,341 10 23 .002247086
L1 47,103,654 0.9956 47,311,826 5 9 .000182015
Random Totals: 253,587,547   259,130,300 104 773  
Catg J Exception Values: 188,299,435   213,037,937      
Catg D1 Exception Values: 5,634,657   5,910,773      
Catg F1 Exception Values: 49,207,204   49,348,094      
Catg G1 Exception Values: 7,588,670   6,983,854      
Catg L1 Exception Values: 30,345,806   30,676,745      
Total Test Values (4): 534,663,319   565,087,703      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 28,254,385

Confidence Interval Values (5)

Local Test Value: 534,663,319 (Outside Confidence Interval)
State Lower Limit: 536,833,318 (State Test Value minus Margin of Error Percent)
State Upper Limit: 593,342,088 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 917,884,344 (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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