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2008 Confidence Interval Detail
188/Potter
191-901/Canyon ISD

Category Summary

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

Stratum
Variance
A 462,189,595 1.0069 459,022,341 14 4,467 .026712917
A 511,532,071 1.0446 489,691,816 20 3,365 .014746849
A 550,532,115 1.0073 546,542,356 18 2,782 .004911301
A 550,466,458 1.0041 548,218,761 20 1,713 .006115166
F1 61,420,824 0.8204 74,866,923 5 450 .147397059
F1 66,185,181 1.0952 60,432,050 7 118 .036832758
F1 74,062,984 1.0079 73,482,472 5 41 .019031279
F1 69,874,745 0.9525 73,359,312 4 9 .000369126
L1 40,585,862 1.0204 39,774,463 7 590 .001664309
L1 41,988,643 1.0178 41,254,316 7 133 .004281839
L1 34,658,753 1.0351 33,483,483 6 39 .004235112
L1 56,598,312 1.0599 53,399,672 5 22 .005230570
Random Totals: 2,520,095,543   2,493,527,965 118 13,729  
Catg D1 Exception Values: 27,613,375   31,049,780      
Catg L1 Exception Values: 71,896,296   70,937,139      
Total Test Values (4): 2,619,605,214   2,595,514,884      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 129,775,744

Confidence Interval Values (5)

State Lower Limit: 2,465,739,140 (State Test Value minus Margin of Error Percent)
Local Test Value: 2,619,605,214 (Within Confidence Interval)
State Upper Limit: 2,725,290,628 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 2,752,710,421 (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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