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2007 Confidence Interval Detail
101/Harris
101-908/Deer Park ISD

Category Summary

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

Stratum
Variance
A 432,005,120 1.0000 432,005,120 53 4,347 .007411331
A 431,930,791 0.9675 446,440,094 77 3,339 .003486586
A 432,233,119 0.9920 435,718,870 77 2,674 .003370492
A 431,391,846 0.9844 438,228,206 68 1,905 .002518382
F1 63,839,854 0.7467 85,495,988 10 244 .195404754
F1 64,021,632 0.7575 84,517,006 8 97 .095414225
F1 64,802,005 0.8559 75,712,122 6 42 .012777733
F1 60,703,478 0.9247 65,646,672 5 13 .021671252
L1 48,245,105 1.0383 46,465,477 10 404 .063687920
L1 49,861,798 0.9314 53,534,247 6 80 .010499975
L1 49,596,749 0.9402 52,751,275 7 34 .014468546
L1 47,217,753 1.2059 39,155,612 4 12 .435818057
Random Totals: 2,175,849,250   2,255,670,689 331 13,191  
Catg D1 Exception Values: 35,869   31,533      
Total Test Values (4): 2,175,885,119   2,255,702,222      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 112,785,111

Confidence Interval Values (5)

State Lower Limit: 2,142,917,111 (State Test Value minus Margin of Error Percent)
Local Test Value: 2,175,885,119 (Within Confidence Interval)
State Upper Limit: 2,368,487,333 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 8,047,970,487 (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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