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2006 Confidence Interval Detail
102/Harrison
102-903/Waskom ISD

Category Summary

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

Stratum
Variance
A 18,027,801 0.8315 21,681,060 10 416 .089403633
A 18,083,273 1.0591 17,074,188 9 218 .006112358
A 17,981,688 1.0118 17,771,979 10 155 .023189078
A 17,966,576 0.9671 18,577,785 10 102 .010608083
D3 12,913,420 0.8564 15,078,725 15 1,279 .209496129
G1 37,037,182 0.9871 37,521,206 15 100 .045140398
G1 37,178,577 1.0206 36,428,157 15 46 .022984408
G1 37,283,606 1.0219 36,484,593 12 26 .033259648
G1 36,426,637 1.1948 30,487,644 9 15 .016213884
Random Totals: 232,898,760   231,105,337 105 2,357  
Catg J Exception Values: 6,303,827   6,240,242      
Catg D1 Exception Values: 3,330,774   3,290,404      
Total Test Values (4): 242,533,361   240,635,983      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 12,031,799

Confidence Interval Values (5)

State Lower Limit: 228,604,184 (State Test Value minus Margin of Error Percent)
Local Test Value: 242,533,361 (Within Confidence Interval)
State Upper Limit: 252,667,782 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 326,563,743 (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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