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2007 Confidence Interval Detail
101/Harris
101-925/Huffman ISD

Category Summary

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

Stratum
Variance
A 152,574,647 0.9206 165,733,920 37 1,636 .025994546
A 152,698,396 0.9969 153,173,233 36 977 .007448838
A 152,681,153 0.9818 155,511,462 31 624 .008578415
A 152,202,815 0.9592 158,676,830 25 417 .071425879
C 15,537,796 1.1766 13,205,674 9 1,652 .061579792
C 15,545,544 1.0202 15,237,742 9 619 .060461997
C 15,569,531 0.9222 16,883,031 23 389 .038748437
C 15,455,590 0.9005 17,163,343 11 156 .032682794
G1 3,194,630 1.0138 3,151,144 5 9 .013961614
Random Totals: 675,460,102   698,736,379 186 6,479  
Catg D1 Exception Values: 7,064,550   7,008,708      
Catg G1 Exception Values: 4,680,487   4,706,337      
Total Test Values (4): 687,205,139   710,451,424      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 35,522,571

Confidence Interval Values (5)

State Lower Limit: 674,928,853 (State Test Value minus Margin of Error Percent)
Local Test Value: 687,205,139 (Within Confidence Interval)
State Upper Limit: 745,973,995 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 723,143,714 (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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