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2006 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 7,146,634 0.9552 7,481,820 7 254 .005250401
A 7,215,378 0.9721 7,422,465 7 101 .005662188
A 7,176,373 0.9754 7,357,364 6 47 .004039214
A 6,998,034 1.0258 6,822,026 5 19 .003482638
F1 17,770,624 0.8923 19,915,526 6 68 .059021871
F1 18,319,834 0.9701 18,884,480 5 25 .002333160
F1 19,603,292 0.9911 19,779,328 4 9 .014319936
F1 15,219,299 1.0038 15,161,685 2 3 .002449403
G1 12,203,190 1.0151 12,021,663 6 29 .025733074
G1 12,197,470 1.0639 11,464,865 4 12 .001711715
G1 13,019,550 1.0815 12,038,419 4 7 .006434391
G1 9,765,250 0.9866 9,897,882 2 3 .010711802
L1 28,408,278 0.9251 30,708,332 7 107 .035106006
L1 30,003,498 1.0194 29,432,507 7 28 .000542633
L1 28,752,921 1.0364 27,743,073 4 11 .002434910
L1 26,220,251 1.0172 25,776,889 3 5 .000453855
Random Totals: 260,019,876   261,908,324 79 728  
Catg J Exception Values: 242,714,171   220,666,722      
Catg D1 Exception Values: 4,978,536   5,771,422      
Total Test Values (4): 507,712,583   488,346,468      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 24,417,323

Confidence Interval Values (5)

State Lower Limit: 463,929,145 (State Test Value minus Margin of Error Percent)
Local Test Value: 507,712,583 (Within Confidence Interval)
State Upper Limit: 512,763,791 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 748,979,055 (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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