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2007 Confidence Interval Detail
101/Harris
101-909/North Forest ISD

Category Summary

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

Stratum
Variance
A 246,983,094 0.9881 249,957,589 22 5,059 .052474086
A 247,021,256 1.0713 230,580,842 18 3,532 .021057954
A 247,662,428 1.0224 242,236,334 42 2,887 .014415905
A 246,039,216 1.0387 236,872,260 31 2,047 .016818472
F1 50,911,286 0.9670 52,648,693 10 324 .023990959
F1 53,380,459 0.7844 68,052,599 7 66 .179945493
F1 98,579,791 0.9525 103,495,844 10 24 .015935371
L1 39,579,417 0.6075 65,151,304 7 346 .405971246
L1 43,363,100 0.8096 53,561,141 6 31 .512914132
L1 42,626,163 0.9200 46,332,786 4 11 .010283336
Random Totals: 1,316,146,210   1,348,889,392 157 14,327  
Catg D1 Exception Values: 358,347   347,107      
Catg L1 Exception Values: 39,365,226   39,694,717      
Total Test Values (4): 1,355,869,783   1,388,931,216      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 69,446,561

Confidence Interval Values (5)

State Lower Limit: 1,319,484,655 (State Test Value minus Margin of Error Percent)
Local Test Value: 1,355,869,783 (Within Confidence Interval)
State Upper Limit: 1,458,377,777 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 1,566,122,762 (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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